Gothic
Germanic
Gaulish
Celtic
Avestan
Indo-Iranian (Iranian)
Old Persian
Indo-Iranian (Iranian)
Old Norse
Germanic
Sanskrit (Vedic)
Indo-Iranian (Indic)
Faliscan
Italic
Breton
Celtic
Old Saxon
Germanic
Oscan
Italic
Umbrian
Italic
Lepontic
Celtic
Kurdish
Indo-Iranian (Modern Iranian)
Prakrit
Indic; oldest written Indic texts
Sogdian
Iranian; Middle Iranian
Khotanese Saka
Iranian; Middle Iranian
Persian
Iranian; Modern Iranian
Pashto
Iranian; Modern Iranian
Ossetic
Iranian; Modern Iranian
Hittite
Anatolian
Palaic
Anatolian
Hieroglyphic Luwian
Anatolian
Lycian
Anatolian
Tocharian A and B
Tocharian (in China)