Word Origin & History
lean (v.)
O.E. hleonian "to bend, recline, lie down, rest," from P.Gmc. *khlinen (cf. O.S. hlinon, O.Fris. lena, M.Du. lenen, Ger. lehnen "to lean"), from PIE base *kli- "to lean, to incline" (cf. Skt. cri- "to lean;" O.Pers. cay "to lean;" L. clivus "declivity," inclinare "cause to bend," declinare "bend down, turn aside;" Gk. klinein "to cause to slope, slant, incline"). Meaning "to incline the body against something for support" is c.1250. Fig. sense of "to trust for support" is from 1225. Sense of "to lean toward mentally, to favor" is from 1398. Colloquial to lean on "put pressure on" (someone) is first recorded 1960. Lean-to "a building whose rafters pitch against another building or wall" is from 1461.