Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English ardent
Middle English ardaunt (inherited)
Old French ardant (derived)
Proto-Indo-European *h₂eHs- (root)
Latin ardentem (derived)
Latin ardēns (mention)
Latin ardeō (mention)

English keen (link)
English ardently (suffix)
English arson (mention)
English ardentness (suffix)