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