Moin,
"Gender", den Begriff haben Tanssexuelle ins Englische eingeführt, die nicht sein wollen, was sie zu sein scheinen.
Das verwechselst Du mit gender-bender?
http://www.etymonline.com/g1etym.htm sagt: gender - c.1300, from O.Fr. gendre, from stem of L. genus (gen. generis) "kind, sort, gender," also "sex" (see genus); used to translate from Gk. Aristotle's grammatical term genos. As sex took on erotic qualities in 20c., gender came to be used for "sex of a human being," often in feminist writing with reference to social attributes as much as biological qualities; this sense first attested 1963. Gender-bender is first attested 1980, with reference to pop star David Bowie.
Viele Grüße
Swen Wacker