Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Armenian -երորդ
← Proto-Indo-European *-ro- (inherited)
← Proto-Indo-European *-ero- (mention)
← Proto-Indo-European *-dʰro- (mention)
← Old Armenian -որդ (mention)

→ Armenian -երորդ (derived)
→ Old Armenian հինգերորդ (affix)
→ Old Armenian -որդ (mention)