Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Galician engo
Gaulish *oducos (cognate)
English elder (cognate)
Spanish yezgo (cognate)
Latin ebulum (cognate)
Portuguese engos (cognate)
Undetermined (mention)

Galician abadengo (suffix)
Galician avoengo (suffix)
Galician larengo (suffix)
Galician larego (suffix)
Galician tourengo (suffix)