late 14c., "to forgive, pardon," from Latin remittere "send back, slacken, let go back, abate," from re- "back" (see re-) + mittere "to send" (see mission). Meaning "allow to remain unpaid" is from mid-15c. Meaning "send money (to someone)" first recorded 1630s. Related: Remitted; remitting.[remit etymology, remit origin, 英语词源]