Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Armenian աստեղաբան
← Ancient Greek ἀστρολόγος (calque)
← Old Armenian աստղ (compound)
← Old Armenian -ա- (compound)
← Old Armenian բան (compound)
← Old Armenian աստեղաբանութիւն (mention)
← Old Armenian աստեղաբանակ (mention)

→ Armenian աստեղաբան (derived)
→ Old Armenian աստեղաբանութիւն (suffix)