Languages

Note any language in Green is a individual language in game terms (i.e. one a character can learn and speak, so while Latin is a language Indo-European is not.
Indo-European
...Italic
......Latin is by far the most important language in the game. it is after all a game about Rome.
...Greek
......Greek is the second most important language, it is the lingua franca (technically lingua Graeca) of the Eastern Mediterranean.
...Celtic
......Continental Celtic
.........Gaulish
..........Celtiberian
.........Galatian
.........Lepontic
......Insular Celtic
.........Brythonic
.........Goidelic
...Germanic
.......East Germanic
.........Burgundian
.........Gothic
.........Vandalic
......West Germanic
.........Ingvaeonic
.........Irminonic
.........Istvaeonic
......North Germanic
..........Nortic
...Illyrian
......Illyrian
...Indo-Iranian
......Iranian
.........Pahlavi
.........Parthian
.........Bactrian
.........Sogdian
.........Scythian
.
Semitic
...Northwest Semitic
......Hebrew
......Punic
......Aramaic
.....Syriac