"small portable stove," 1825, variant of chafer "a vessel for heating," agent noun from chafe; with form influenced by French chauffoir "a heater," from chauffer "to heat," which also is ultimately from chafe (see chauffeur).
c. 1300, chaufen, "be provoked, grow or be excited;" late 14c. in literal sense of "to make warm, to heat" (also intransitive, "to grow warm or hot"), especially (early 15c.) "to warm by rubbing, excite heat by friction," 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" (from PIE root *kele- (1) "warm") + facere "to make, do" (from PIE root *dhe- "to set, put").
From 1520s as "abrade the skin by rubbing." Figurative senses from late 14c. include now-obsolete "kindle (joy), inspire, make passionate" as well as "provoke, vex, anger." Related: Chafed; chafing. Chafing-dish is from late 15c.
1896, "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. The sense of "professional or paid driver of a private motor car" is from 1902.
The '95 Duryea wagon, which won the Chicago contest last 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]
In early 20c. British English shover was a jocular nativized form of the word.
<a href="https://www.etymonline.com/word/chauffer">Etymology of chauffer by etymonline</a>
Harper, D. (n.d.). Etymology of chauffer. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/chauffer