Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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French coutume
Catalan costum (cognate)
Spanish costumbre (cognate)
French costume (doublet)
Old French coustume (inherited)
Proto-Indo-European *dʰeh₁- (root)
Proto-Indo-European *ḱóm (derived)
Proto-Indo-European *swe-dʰh₁-sk- (derived)
Proto-Indo-European *swé (mention)
Proto-Indo-European *dʰeh₁- (mention)
Old Latin com (derived)
Proto-Italic *kom (derived)
Latin *costūmen (mention)
Latin cōnsuētūdinem (inherited)
Latin cōnsuētūdō (mention)
Latin cōnsuēscō (mention)
Latin con- (mention)
Latin suēscō (mention)
Latin con- (mention)
Latin cum (mention)
Latin suēscō (mention)
Latin suus (cognate)

Danish kutyme (borrowed)
Esperanto kutimo (mention)
Spanish costumbre (cognate)
French accoutumer (affix)
French costume (doublet)
French consuétude (doublet)
Galician costume (cognate)
Romanian cutumă (borrowed)
Swedish kutym (borrowed)