love (n.) Look up love at Dictionary.com
O.E. lufu "love, affection, friendliness," from P.Gmc. *lubo (cf. O.Fris. liaf, Ger. lieb, Goth. liufs "dear, beloved;" not found elsewhere as a noun, except O.H.G. luba, Ger. Liebe), from PIE *leubh- "to care, desire, love" (cf. L. lubet, later libet "pleases;" Skt. lubhyati "desires;" O.C.S. l'ubu "dear, beloved;" Lith. liaupse "song of praise"). Meaning "a beloved person" is from early 13c. The sense "no score" (in tennis, etc.) is 1742, from the notion of "playing for love," i.e. "for nothing" (1670s). Love-letter is attested from mid-13c.; love-song from early 14c. To be in love with (someone) is from c.1500. Love life "one's collective amorous activities" is from 1919, originally a term in psychological jargon. Phrase make love is attested from 1580 in the sense "pay amorous attention to;" as a euphemism for "have sex," it is attested from c.1950. Love child "child born out of wedlock," first attested 1805, from earlier love brat (17c.). Lovesick is attested from 1530; lovelorn from 1630s (see lose). Phrase for love or money "for anything" is attested from 1580s. To fall in love is attested from early 15c. The phrase no love lost (between two people) is ambiguous and was used 17c. in ref. to two who love each other well (c.1640) as well as two who have no love for each other (1620s).
love (v.) Look up love at Dictionary.com
O.E. lufian, from P.Gmc. *lubojanan, from root of love (n.). Love-hate (adj.) "ambivalent" is from 1937, originally a term in psychological jargon.