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

→ Welsh deigryn (inherited)
→ Danish tåre (derived)
→ German Zähre (inherited)
→ Ancient Greek δάκρυ (inherited)
→ Old Armenian արտասուք (mention)
→ Old Armenian արտօսր (inherited)
→ Tocharian A ākär (mention)