Chevalier
late Middle English (denoting a horseman or mounted knight): from Old French, from medieval Latin caballarius, from Latin caballus ‘horse’. Compare with caballero and cavalier.
wiktionary
From Middle English chivaler or chevaler (also shyvalere while code-switching), from Anglo-Norman chevaler or chivaler, later refashioned after French chevalier, from Late Latin caballarius(“horseman”), from Latin caballus(“horse”). [1] Doublet of cavalier.
etymonline
chevalier (n.)
late 14c. (c. 1200 as a surname), "mounted knight, armed horseman of noble birth," from Anglo-French chivaler "mounted knight," Old French chevalier "knight, horseman, knight in chess" (12c., Modern French chevaler), from Late Latin caballarius "horseman" (source of Provençal cavallier, Spanish caballero, Portuguese cavalleiro, Italian cavaliere; see cavalier (n.)). The word was nativized in Middle English ("chevaleer"), but has been given a French pronunciation since 16c.
