epicene

 
Pronunciation: /ˈɛpɪsiːn/

adjective

  • having characteristics of both sexes or no characteristics of either sex; of indeterminate sex: the sort of epicene beauty peculiar to boys of a certain age
  • effeminate; effete: the actor infused the role with an epicene languor

Origin:

late Middle English (as a grammatical term): via late Latin from Greek epikoinos (based on koinos 'common')