Meaning

adjective existing or occurring between the sexes

adjective having sexual characteristics intermediate between those of male and female

originEtymology tree Proto-Indo-European *h₁én Proto-Indo-European *h₁entér Proto-Italic *n̥ter Latin inter Latin inter-bor. English inter- Proto-Indo-European *sek-der. Proto-Indo-European *séks-u-sder. Proto-Italic *seksus Latin sexus Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālis Latin sexuālisbor. English sexual English intersexual From inter- + sexual.

Etymology from Wiktionary, CC BY-SA 3.0