Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Armenian գեղձք
← Proto-Indo-European *gʰelǵʰ- (inherited)
← Lithuanian gẽležuonys (cognate)
← Russian железа́ (cognate)
← Proto-Slavic *želza (cognate)
← Old Armenian (suffix)
← Old Armenian ք (suffix)

→ Armenian գեղձ (learned borrowing)
→ Russian железа (cognate)