Where does “heterosexualidade” come from?
heterosexualidade (Galician) comes from Galician heterosexual, from Galician sexual, from Latin sexuālis, from Latin sexus, from Proto-Italic seksus, from Proto-Indo-European séksus, from Proto-Indo-European sek- — to cut, cut off, sever.
heterosexualidade (Galician): heterosexuality
Ancestry of “heterosexualidade”, step by step