ambisexual (adj.)youdaoicibaDictYouDict[ambisexual 词源字典]
"unisex" (of clothing), also "bisexual," 1912 in the jargon of psychology, from ambi- + sexual. As a humorous coinage based on ambidextrous, ambisextrous is recorded from 1929.[ambisexual etymology, ambisexual origin, 英语词源]