warlock
‘a male witch, sorcerer, wizard, or demon’
Lexical development traced from the Tamil root:
O.E. wærloga ‘traitor, liar, enemy, devil’ < wær ‘faith, fidelity; a compact, agreement, covenant’ < Proto-G. wera- < vaw < were-o- < Tamil uṟu
warlock
English words derived from Tamil uṟu connoting ‘excess’