Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Irish gainithir
← Proto-Celtic *ganyetor (inherited)
← Proto-Indo-European *ǵenh₁- (root)
← Proto-Indo-European (inherited)
← Proto-Indo-European *ǵenh₁- (mention)

→ Irish gin (inherited)
→ Irish -gin (inherited)
→ Irish giniúint (mention)
→ Scottish Gaelic gin (inherited)