Meaning

noun one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made

originEtymology tree German Intersexebor. English intersex Borrowed from German Intersexe. By surface analysis, inter- + sex.(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Needs more details, especially the German etymology.”) Doublet of intersect.

Etymology from Wiktionary, CC BY-SA 3.0