Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Celtic *dawyeti

→ Breton deviñ (inherited)
→ Welsh deifio (inherited)
→ Irish dóigh (derived)
→ Scottish Gaelic dòth (inherited)
→ Ancient Greek δαίω (cognate)
→ Manx daah (inherited)
→ Cornish dewi (inherited)
→ Old Irish dóid (inherited)