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

→ Welsh rhif (inherited)
→ Irish ríomh- (derived)
→ Irish áirigh (inherited)
→ Irish ríomh (inherited)
→ Irish ríomh (derived)
→ Irish comhaireamh (derived)
→ Galician rima (derived)
→ Galician arrimar (mention)
→ Old Irish rím (inherited)
→ Old Irish adrími (derived)