Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Irish gae
← Proto-Celtic *gaisos (inherited)

→ Welsh gwayw (cognate)
→ Irish ga (mention)
→ Latin gaesum (mention)
→ Sanskrit हेषस् (cognate)
→ Old Irish gaisced (compound)