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

→ Ancient Greek ἰχθύς (derived)
→ Lithuanian žuvis (inherited)
→ Latgalian zivs (inherited)
→ Latvian zivs (inherited)
→ Sumerian 𒄩 (cognate)
→ Old Armenian ձուկն (inherited)