Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek Μέντωρ
Proto-Hellenic *méntōr (inherited)
Proto-Indo-European *méntōr (inherited)
Proto-Indo-European *men- (mention)
Sanskrit मन्तृ (cognate)

English monitor (derived(en/la))
English mentor (derived)
English mentee (mention)
English Mentor (mention)
Danish mentor (derived)
Greek μέντορας (derived)
Spanish mentor (borrowed)
French mentor (borrowed)
Norwegian Bokmål mentor (derived)