Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin crus
Avestan 𐬯𐬭𐬀𐬊𐬥𐬌 (cognate)
Proto-Indo-European *ḱruH- (inherited)
Albanian kërci (cognate)
Old Armenian սրունք (cognate)

English crurifragium (derived)
Esperanto kruro (derived)