early 13c., "an emotion of the mind, passion, lust as opposed to reason," from Old French afection (12c.) "emotion, inclination, disposition; love, attraction, enthusiasm," from Latin affectionem (nominative affectio) "a relation, disposition; a temporary state; a frame, constitution," noun of state from past participle stem of afficere "to do something to, act on" (see affect (n.)). Sense developed from "disposition" to "good disposition toward" (late 14c.). Related: Affections.
affection af·fec·tion (ə-fěk'shən)
n.
A tender feeling toward another; fondness.
A bodily condition; disease.
feeling or emotion. Mention is made of "vile affections" (Rom. 1:26) and "inordinate affection" (Col. 3:5). Christians are exhorted to set their affections on things above (Col. 3:2). There is a distinction between natural and spiritual or gracious affections (Ezek. 33:32).