Word Origin & History
late O.E. werewulf "person with the power to turn into a wolf," from wer "man" + wulf (see wolf
; also see here
for a short discussion of the mythology). The first element probably is from PIE *uiHro "freeman" (cf. Skt. vira-,
Lith. vyras, L. vir, O.Ir. fer, Goth. wair). Cf. M.Du. weerwolf, O.H.G. werwolf, Swed. varulf. In the ancient Persian calendar, the eighth month (October-November) was Varkazana-, lit. "(Month of the) Wolf-Men."