Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Norwegian Nynorsk eta
English eat (cognate)
Proto-Germanic *etaną (inherited)
Proto-Indo-European *h₁ed- (root)
Proto-Indo-European *h₁ed- (derived)
Old Norse eta (inherited)

Norwegian Nynorsk trøysteeta (affix)