Meaning

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

adjective having an ambiguous sexual identity

adjective having unsuitable feminine qualities

originFrom Late Middle English epicene, epicen, epicin, epcyn, episcen, epycen, epycene, epycyn, ypsen (“(grammar) having only one form for masculine and feminine gender, common”), from Late Latin epicoenos, epicoenus (“of a noun: applicable to either males or females”), Latin epicoenon (“noun applicable to either males or females; grammatical gender of such nouns”), from Ancient Greek ἐπίκοινος…

Etymology from Wiktionary, CC BY-SA 3.0