.More than a (>) conqueror (n.) c.1300, from Anglo-Fr. conquerour, O.Fr. conquereor, from O.Fr. conquerre (see conquer). Another early form was conquestor. William the Conqueror so called from early 12c. in Anglo-Latin: Guillelmus Magus id est conquæstor rex Anglorum. Alan masc. proper name, 1066, from O.Bret. Alan, name of a popular Welsh and Breton saint; brought to England by the large contingent of Bretons who fought alongside William the Conqueror. conquerer (n.) obsolete form of conqueror; see -er. Domesday book 1178, popular name of Great Inquisition or Survey (1086), William the Conqueror's inventory of his new domain, from M.E. domes, gen. of dom "day of judgment" (see doom). "The booke ... to be called Domesday, bicause (as Mathew Parise saith) it spared no man, but iudged all men indifferently." [William Lambarde, "A Perambulation of Kent," 1570] conquistador (n.) 1830, from Sp. conquistador, lit. "conqueror," noun of action from conquistar "to conquer," from V.L. conquistare, from L. conquistus, pp. of conquirere "to seek for" (see conquer). victor (n.) mid-14c., from L. victorem (nom. victor) "a conqueror," agent noun from pp. stem of vincere "to conquer," from PIE root *weik- "to fight, conquer" (cf. Lith. apveikiu "to subdue, overcome," O.C.S. veku "strength, power, age," O.N. vigr "able in battle," O.E. wigan "fight," Welsh gwych "brave, energetic," O.Ir. fichim "I fight," second element in Celt. Ordovices "those who fight with hammers"). Bellatrix bright star in the left shoulder of Orion, from L. bellatrix "a female warrior," frequently used as an adjective, "warlike, skilled in war," fem. of bellator "to wage war," from bellum "war" (see bellicose). The Latin name, from the Alfonsine Tables (mid-13c.), very loosely translates the Arabic name for the star, Al Najid "the conqueror." In astrology it was the natal star of all destined to great civil or military honors, and rendered women born under its influence lucky and loquacious; or as old Thomas Hood said, "Women born under this constellation shall have mighty tongues." [Allen] .... full ety's results found @ http://www.etymonline.com/index.php?allowed_in_frame=0&search=conqueror&searchmode=none