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."