Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *h₂eyu-

→ English ay (derived)
→ English aye (derived)
→ Old English ece (inherited)
→ Catalan edat (derived)
→ German Äon (derived)
→ Spanish edad (derived)
→ Spanish evo (derived)
→ French âge (derived)
→ Old French aage (inherited)
→ West Frisian iuw (derived)
→ Galician idade (derived)
→ Ancient Greek αἰών (derived)
→ Ancient Greek ἀεί (derived)
→ Ancient Greek αἰεί (derived)
→ Italian età (derived)
→ Latin age (derived(la/en))
→ Latin Iuno (mention)
→ Latin aetas (derived)
→ Latin aevum (derived)
→ Latin aeternus (derived)
→ Latin aevitas (derived)
→ Latin aeviternus (derived)
→ Limburgish iew (derived)
→ Dutch eeuw (derived)
→ Occitan edat (derived)
→ Portuguese eterno (derived)
→ Portuguese idade (derived)
→ Old Portuguese ydade (derived)
→ Albanian amshoj (inherited)