\documentclass[oneside]{scrbook}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{mathpazo}

% The low optimize setting won't work for this example
\usepackage[optimize=high]{datagidx}

\usepackage[colorlinks]{hyperref}

% This is an example document that uses datagidx to create a
% sorted dictionary, using datatool to do the sorting.

% Make a database labelled 'index' with the given title

\newgidx[heading={\title}]{index}{Sample Dictionary Created Using datagidx}

% Define some terms for the dictionary

% First set the default database, so we don't have to keep using the
% "database" key:
\DTLgidxSetDefaultDB{index}

% Add some custom fields

\newtermaddfield{Derivatives}{derivatives}{}

\newtermaddfield{Origin}{origin}{}

\newtermaddfield{Phrases}{phrases}{}

\newtermaddfield{Subject}{subject}{}

\newtermaddfield{Variation}{variation}{}

\newtermaddfield{Phonetic}{phonetic}{}

\newtermaddfield{AltPlural}{altplural}{}

\newtermaddfield{Parenthetical}{parenthetical}{}

% Provide a convenient interface to define words:

% Syntax: \newentry[main option list][cat opt list]{word}{category}{definition}

\newcommand*{\newentry}[1][]{%
  \def\newentryopts{#1}%
  \nnewentry
}

\newcommand*{\nnewentry}[4][]{%
  \expandafter\newterm\expandafter[\newentryopts]{#2}%
  \newterm
  [%
    label={\datagidxlastlabel-#3},%
    parent={\datagidxlastlabel},%
    description={#4},%
    text={#3},%
    #1%
  ]%
  {#3}%
  \setcounter{newentrysubcat}{0}%
}

% Syntax: \newentrycat{parent label}{category}{definition}

\newcommand*{\newentrycat}[3]{%
  \newterm
  [%
    label={#1-#2},%
    parent={#1},%
    description={#3}%
  ]%
  {#2}%
  \setcounter{newentrysubcat}{0}%
}

% Syntax: \newentrysubcat[option list]{parent label}{description}

\newcounter{newentrysubcat}

\newcommand*{\newentrysubcat}[3][]{%
  \stepcounter{newentrysubcat}%
  \newterm
  [%
    label={#2-\arabic{newentrysubcat}},%
    sort={#2-\arabic{newentrysubcat}},%
    parent={#2},%
    description={#3},%
   #1%
  ]
  {}%
}

\newcommand*{\categoryand}{ \& }

% hook into the mechanism that constructs the label and sort fields from
% the name:

\appto\newtermlabelhook{\def\categoryand{+}}

\newcommand*{\namefont}[1]{\textbf{\sffamily #1}}
\newcommand*{\subjectfont}[1]{\textsf{#1}}
\newcommand*{\categoryfont}[1]{\namefont{#1}}
\newcommand*{\originfont}[1]{\emph{#1}}
\newcommand*{\derivativeformat}[2]{\textbf{#1}\space\textsf{#2}}
\newcommand*{\phoneticformat}[1]{/#1/}

\newcommand*{\stress}[1]{\textbf{#1}}

\newcommand*{\crossref}[1]{\textbf{\useentry{#1}{Name}}}
\newcommand*{\Crossref}[1]{\textbf{\textsc{\useentry{#1}{Name}}}}

% Words and their definitions taken from the Compact Oxford English
% Dictionary

% label and sort must both be specified here as \newterm can't cope
% with {\ae} when automatically generating the label and sort from
% the name
\newentry
 [%
   phonetic={ee-\stress{oh}-li-uhn},
   origin={from \originfont{\AE olus}, the Greek god of the winds},
   label=aeolian,
   sort=aeolian
 ]
 {{\ae}olian harp}{noun}{a stringed instrument that produces musical
sounds when a current of air passes through it}

% Similarly label and sort are needed here
\newentry
 [%
   phonetic={i-\stress{sof}-fuh-guhss},
   plural={{œ}sophagi},
   origin={Greek \originfont{oisophagos}},
   label={oesophagus},
   sort={oesophagus}
 ]
 {{œ}sophagus}{noun}{the muscular tube which connects throat to
stomach}

\newentry
 [% additional info
   origin={Old English}
 ]%
 [%
   subject={literary}
 ]
 {asunder}{adverb}{apart}

\newentry
 [% additional info
   origin={Old English},
   parenthetical={\subjectfont{US} \namefont{adz}}
 ]
 {adze}{noun}{a tool similar to an axe, with an arched blade at right angles to
 the handle}

\newentry
 [% additional info
   origin={Latin \originfont{astutus}},
   derivatives={\derivativeformat{astutely}{adverb}
    \derivativeformat{astuteness}{noun}}
 ]
 {astute}{adjective}{good at making accurate judgements; shrewd}

\newentry{astern}{adverb}{behind or towards the rear of a ship}

\newentry{thunderbolt}{noun}{flash of lightning with a crash of
thunder at the same time}

\newentry{thunderclap}{noun}{a crash of thunder}

\newentry
 [%
  origin={Italian \originfont{ticchio}}
 ]
 {tic}{noun}{a recurring spasm of the muscles, most often in
the face}

\newentry
 [%
   phonetic={thwort},
   origin={from Old Norse, `transverse'}
 ]
 {thwart}{verb}{}

\newentrysubcat{thwart-verb}{prevent someone from accomplishing
something}

\newentrysubcat{thwart-verb}{prevent something from succeeding}

\newentrycat{thwart}{noun}{a crosspiece forming a seat for a rower
in a boat}

\newentry
 [% additional info
   origin={from an old sense of \Crossref{thwart}, meaning
`across'},
   phonetic={uh-\stress{thwart}}
 ]
 {athwart}{preposition\categoryand adverb}{from side to side of something;
  across}

\newentry
 [%
   phonetic={aw-\stress{bree}-shuh},
   parenthetical={also \namefont{aubrietia}},
   origin={named after the French botanist Claude \originfont{Aubriet}}
 ]
 {aubretia}{noun}{a trailing plant with purple, pink, or white
flowers}

\newentry
 [%
   phonetic={aw-\stress{day}-shuhss},
   derivatives={\derivativeformat{audaciously}{adverb}
    \derivativeformat{audaciousness}{noun}
    \derivativeformat{audacity}{noun}},
   origin={Latin \originfont{audax} `bold'}
 ]
 {audacious}{adjective}{}

\newentrysubcat{audacious-adjective}{willing to take daring risks}
\newentrysubcat{audacious-adjective}{showing lack of respect; rude
or impudent}

\newentry
 [%
   parenthetical={pl.\ \namefont{attorneys}},
   phonetic={uh-\stress{ter}-ni},
   origin={Old French \originfont{atorner} `assign'}
 ]
 {attorney}{noun}{}

\newentrysubcat{attorney-noun}{a person appointed to act for another
in legal matters}

\newentrysubcat
 [%
   subject={chiefly US}%
 ]
 {attorney-noun}{a lawyer}

\newentry
 [
   phonetic={\stress{ay}-tri-uhm},
   altplural={atria},
   parenthetical={pl.\ \namefont{atria}
    \phoneticformat{\stress{ay}-tri-uh}
    or \namefont{atriums}},
   derivatives={\derivativeformat{atrial}{adjective}},
   origin={Latin}
 ]
 {atrium}{noun}{}

\newentrysubcat{atrium-noun}{a central hall rising through several
storeys and having a glazed roof}

\newentrysubcat{atrium-noun}{an open area in the centre of an
ancient Roman house}

\newentrysubcat{atrium-noun}{each of the two cavities of the heart}

\newentry
 [%
   plural={austerities},
   phonetic={oss-\stress{te}-ri-ti}
 ]
 {austerity}{noun}{}

\newentrysubcat{austerity-noun}{strictness or severity of appearance
or manner}
\newentrysubcat{austerity-noun}{difficult economic conditions
resulting from a cut in public spending}

\newentry
[
  plural={cacti},
  altplural={cactuses},
  origin={Greek \originfont{kaktos} `cardoon'}
]
{cactus}{noun}{a succulent plant with thick fleshy stems bearing
spikes but no leaves}

\newentry
 [%
   phonetic={chahf},
   phrases={\namefont{separate} (or \namefont{sort}) \namefont{the
   wheat from the chaff} distinguish valuable people or things from
   worthless ones},
   origin={Old English}
 ]
 {chaff\textsuperscript{1}}{noun}{}

\newentrysubcat{chaff1-noun}{the husks of grain from the seed by
winnowing or threshing}

\newentrysubcat{chaff1-noun}{chopped hay and straw used in cattle
fodder}

\newentry
 [
   phonetic={chaff},
 ]
 {chaff\textsuperscript{2}}{noun}{light-hearted joking}

\newentrycat{chaff2}{verb}{tease someone}

\newterm
[
  plural={elves},%
  derivatives={\derivativeformat{elfish}{adjective}
   \derivativeformat{elven}{adjective (literary)}
   \derivativeformat{elvish}{adjective}},%
  origin={Old English},%
  description={a supernatural creature of folk tales, represented as
   a small human figure with pointed ears}
]
{elf}

% Be careful of words starting with an accent.

\newterm
 [
   label={elite},%
   phonetic={i-\stress{leet}},%
   origin={French, `selection, choice'}%
 ]
 {{é}lite}

\newentrycat{elite}{noun}{a group of people regarded as the best in a
particular society or organisation}

\newterm
 [
   description={plural of \Crossref{elf}}%
 ]
 {elves}

% Add all entries

\glsaddall{index}

% Customise index format

\renewcommand{\DTLgidxNameFont}[1]{\namefont{\large#1}}

\newcommand{\postnamespace}{\space}

\renewcommand{\DTLgidxPostName}{%
  \ifdefempty\Subject
  {%
  }%
  {%
    \space\subjectfont{\Subject}%
  }%
  \ifdefempty\Phonetic
  {%
  }%
  {%
    \space\phoneticformat{\Phonetic}%
  }%
  \ifdefempty\Parenthetical
  {%
    \ifdefempty\AltPlural
    {%
      \ifthenelse{\equal{\Plural}{\Text s}}%
      {%
      }%
      {%
        \space (pl.\ \namefont{\Plural})%
      }%
    }%
    {%
      \space (pl. \namefont{\Plural} or \namefont{\AltPlural})%
    }%
  }%
  {%
    \space (\Parenthetical)%
  }%
  \postnamespace
}

\renewcommand{\DTLgidxCategoryNameFont}[1]{\categoryfont{#1}}
\renewcommand{\DTLgidxCategorySep}{\space\textbullet\space}
\renewcommand*{\DTLgidxChildCountLabel}{%
 \def\postnamespace{~\def\postnamespace{\space}}%
 \textbf{\sffamily\theDTLgidxChildCount}%
}

\renewcommand{\DTLgidxDictPostItem}{%
  \ifdefempty\Derivatives
  {}
  {%
    \par
    \datagidxdictparshape
    -- \textsc{derivatives} \Derivatives.
  }%
  \ifdefempty\Phrases
  {}
  {%
    \par
    \datagidxdictparshape
    -- \textsc{phrases} \Phrases.
  }%
  \ifdefempty\Origin
  {}
  {%
    \par
    \datagidxdictparshape
    -- \textsc{origin} \Origin.
  }%
  \par
}

% Title information
\author{}
\date{}

\begin{document}
% don't number the chapters
\setcounter{secnumdepth}{-1}

\printterms
[
   database=index,
   postheading={\maketitle This is an example document illustrating
   the use of the datagidx package. The examples here are taken from
   the Compact Oxford English Dictionary.
   },
   columns=2,
   postdesc=dot,%
   childsort=false,% don't sort the child lists
   style={dict} % use the 'dict' style
]

\end{document}