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

→ Armenian թնդալ (derived)
→ Armenian թունդ (mention)
→ Old Armenian թնդիւն (suffix)