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 *trebā

→ English artesian (mention)
→ English Moray (mention)
→ Welsh tref (inherited)
→ Irish baintreach (derived)
→ Galician trevo (derived)
→ Latin Atrebates (mention)
→ Old Irish treb (inherited)