Where does “heteroseksuaalinen” come from?
heteroseksuaalinen (Finnish) comes from Finnish seksuaalinen, 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.
heteroseksuaalinen (Finnish): heterosexual
Ancestry of “heteroseksuaalinen”, step by step
Words derived from “heteroseksuaalinen”