Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old Church Slavonic млѣко
Proto-Germanic *meluks (derived)
Proto-Indo-European *h₂melǵ- (derived)
Proto-Slavic *melko (inherited)

Ancient Greek μέλκιον (cognate)
Russian млеко (borrowed)