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climb [climb 词源字典]: climb: [OE] The original notion contained in climb seems not to have been so much ‘ascent’ as ‘holding on’. Old English climban came from a prehistoric West Germanic *klimban, a nasalized variant of the base which produced English cleave ‘adhere’. To begin with this must have meant strictly ‘go up by clinging on with the hands and feet’ – to ‘swarm up’, in fact – but already by the late Old English period we find it being used for ‘rising’ in general. The original past tense clamb, which died out in most areas in the 16th century, is probably related to clamp ‘fastening’ [14].
=> clamp, cleave[climb etymology, climb origin, 英语词源]
chafe (v.): early 14c., chaufen, c. 1300, "be provoked;" late 14c. in literal sense "to make warm, to heat," also intransitive, "to grow warm or hot," especially (early 15c.) "to warm by rubbing," from Old French chaufer "heat, warm up, become warm" (12c., Modern French chauffer), from Vulgar Latin *calefare, from Latin calefacere "to make hot, make warm," from calere "be warm" (see calorie) + facere "to make, do" (see factitious).

Figurative sense from late 14c. include now-obsolete "kindle (joy), inspire, make passionate" as well as "provoke, vex, anger." Sense of "make sore by rubbing" first recorded 1520s. Related: Chafed; chafing.
chauffeur (n.): 1896, originally "a motorist," from French chauffeur, literally "stoker," operator of a steam engine, French nickname for early motorists, from chauffer "to heat," from Old French chaufer "to heat, warm up; to become hot" (see chafe). The first motor-cars were steam-driven. Sense of "professional or paid driver of a private motor car" is from 1902.
The '95 Duryea wagon, which won the Chicago contest Fall, was exhibited at the Detroit Horse Show last week. Charles B. King, treasurer of the American Motor League, acted as "chauffeur," as the French say. ["The Horseless Age," April 1896]
warm-up (n.): "act or practice of exercising or practicing before an activity," 1915; earlier in literal sense, "a heating" (of something), 1878, from verbal phrase warm up, which is from 1868 in the sense "exercise before an activity." Earlier in reference to heating food (1848), and earliest (c. 1400), figuratively, of persons. In reference to appliances, motors, etc., attested from 1947.
chafing dish: "A cooking pot with an outer pan of hot water, used for keeping food warm", Late 15th century: from the original (now obsolete) sense of chafe 'become warm, warm up'.