Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek τριάκοντα
Proto-Indo-European *tri(d)ḱomt (inherited)
Latin trīgintā (cognate)
Sanskrit त्रिंशत् (cognate)
Old Armenian երեսուն (cognate)

Greek τριάκοντα (inherited)
Greek τριάντα (inherited)
Latin triginta (cognate)
Latin tricies (cognate)
Latin triciens (cognate)
Kalo Finnish Romani triinda (derived)
Sanskrit त्रिंशत् (cognate)