**dude**   [TFD][1]

> b. A person of either sex.

My sense:  

> A word to address all genders that has feminine origins?

 There do not appear to be any well accepted. [slang dictionary][2]


  [1]: https://www.thefreedictionary.com/dude
  [2]: http://onlineslangdictionary.com/thesaurus/words+meaning+person,+dude,+man,+men,+male,+woman,+women,+female.html