←
Proto-Indo-European *séksus (inherited)
←
Proto-Indo-European *sek- (mention)
→
German Sexus (borrowed)
→
Spanish sexo (borrowed)
→
Finnish seksi (derived)
→
Indonesian seks (derived)
→
Icelandic sex (derived)
→
Italian sesso (inherited)
→
Ligurian sèsso (borrowed)
→
Latvian sekss (borrowed)
→
Norwegian Bokmål sex (derived)
→
Norwegian Nynorsk sex (derived)
→
Portuguese sexo (derived)
→
Romanian sex (borrowed)
→
Serbo-Croatian seks (derived)