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

→ Welsh lliw (inherited)
→ Irish lia (mention)
→ Latin lausa (cognate)
→ Dutch lei (mention)
→ Old Irish lie (mention)
→ Old Irish lí (derived(sga/ga))
→ Old Irish lí (inherited)