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 πηγή
Ancient Greek πήγνυμι (mention)
Proto-Indo-European *peh₂ǵ- (derived)

English Pegasus (mention)
English pegomancy (mention)
Greek πηγή (inherited)
Ancient Greek Πήγασος (mention)
Ancient Greek πηγαῖος (suffix)