late 14c., from Old French transferer or directly from Latin transferre "bear across, carry over, bring through; transfer, copy, translate," from trans "across, beyond" (see trans-) + ferre "to carry" (from PIE root *bher- (1) "to carry"). Related: Transferred; transferring.
Others are reading
Definitions of transferor from WordNet
(law) someone who conveys a title or property to another;