Wither-
Origin
From Middle English, from Old English wiþer ("again, against", adverb in compounds.), from Proto-Germanic *wiþra ("against, toward"), from Proto-Indo-European *wī-tero- ("further apart"), *wī- ("separate, alone"). Cognate with Low German wedder ("against"), Dutch weer ("again, back"), German wider ("against, contrary to"), wieder ("again"). More at with.