Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-Aryan *ṣwáṭṣ

→ Hindi छह (inherited)
→ Kalo Finnish Romani ȟou (inherited)
→ Sanskrit षष् (inherited)
→ Sanskrit षड्विंशति (mention)