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 πεδίον
Ancient Greek πούς (mention)
Ancient Greek πέδον (mention)
Proto-Indo-European *ped- (root)
Proto-Indo-European *ped- (derived)

English Pædion (mention)
English pedion (mention)
Greek πεδίο (inherited)
Ancient Greek πεδίονδε (affix)
Italian pedio (borrowed)