Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English octogenarian
English -ian (affix)
French octogénaire (derived)
Latin octōgēnārius (derived)
Latin octōgintā (mention)

English quadragenarian (mention)
English octogenary (mention)
English genarian (mention)
English centagenarian (mention)
English octogenarianism (suffix)