Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Armenian -եակ
← Undetermined *-ya-ka- (mention)
← Undetermined *-īk (mention)

→ Middle Armenian կլայեկ (mention)
→ Armenian աղեկ (mention)
→ Armenian -յակ (derived)
→ Old Armenian դղեակ (mention)
→ Old Armenian արբեկ (mention)