Proto-Indo-European *tri(d)ḱomt

→ Avestan 𐬚𐬭𐬌𐬯𐬀𐬙 (inherited)

→ Catalan trenta (inherited)

→ Greek τριάντα (inherited)

→ Spanish treinta (inherited)

→ French trente (inherited)

→ French trinta (inherited(fr/sc))

→ Ancient Greek τριάκοντα (inherited)

→ Gujarati ત્રીસ (derived)

→ Italian trenta (inherited)

→ Latin triginta (inherited)

→ Latin tricies (inherited)

→ Latin triciens (inherited)

→ Portuguese trinta (inherited)

→ Kalo Finnish Romani triinda (derived)

→ Tocharian B täryāka (inherited)