An archaic term meaning to heat or warm, or to become heated or excited.
From Old French 'eschaufer,' from Latin 'ex-' (out) plus 'calefacere' (to make warm). Used in Middle English but became obsolete by the 17th century.
This word is a ghost in English—it died out centuries ago but left traces in other words like 'chauffeur' (one who drives, heating the engine), showing how words branch off and specialize over time.
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