Sindarin 

rhavan

wild man

(?i thravan or ?i ravanthe lenition product of rh is uncertain), pl. rhevain (?idh revain) (WJ:219). Also (of a Drúadan) drû (i dhrû), pl. drúin (in drúin), coll. pl. drúath (UT:385). Also compounded as Drúadan (i Dhrúadan), pl. Drúedain (in Drúedain). Cf. also