major (adj.)youdaoicibaDictYouDict[major 词源字典]
c. 1300, from Latin maior (earlier *magjos), irregular comparative of magnus "large, great" (see magnate). Used in music (of modes, scales, or chords) since 1690s, on notion of an interval a half-tone greater than the minor.[major etymology, major origin, 英语词源]
million (n.)youdaoicibaDictYouDict
late 14c., from Old French million (late 13c.), from Italian millione (now milione), literally "a great thousand," augmentative of mille "thousand," from Latin mille, which is of uncertain origin. Used mainly by mathematicians until 16c. India, with its love of large numbers, had names before 3c. for numbers well beyond a billion. The ancient Greeks had no name for a number greater than ten thousand, the Romans for none higher than a hundred thousand. "A million" in Latin would have been decies centena milia, literally "ten hundred thousand." Million to one as a type of "long odds" is attested from 1761. Related: Millions.
sleeper (n.)youdaoicibaDictYouDict
Old English slæpere "one who sleeps, one who is inclined to sleep much," agent noun from sleep (v.). Meaning "strong horizontal beam" is from c. 1600. Meaning "dormant or inoperative thing" is from 1620s. Meaning "railroad sleeping car" is from 1875. Sense of "something whose importance proves to be greater than expected" first attested 1892, originally in American English sports jargon, probably from earlier (1856) gambling slang sense of "unexpected winning card." Meaning "spy, enemy agent, terrorist etc. who remains undercover for a long time before attempting his purpose" first attested 1955, originally in reference to communist agents in the West.
top (v.)youdaoicibaDictYouDict
"put a top on," 1580s, perhaps mid-15c., from top (n.1). Earlier "cut the top off, shave the head" (c. 1300). The meaning "be higher or greater than" also is first recorded 1580s. Meaning "strike (a ball) towards its top" is from 1881. Related: Topped; topping. To top off "to finish" is colloquial from 1836; in sense "fill up, add more to to bring to fullness" it is from 1917.
hadalyoudaoicibaDictYouDict
"Relating to the zone of the sea greater than 6000 m in depth (chiefly oceanic trenches)", Mid 20th century: from Hades + -al.
prepotentyoudaoicibaDictYouDict
"Greater than others in power or influence", Late Middle English: from Latin praepotent- 'having greater power', from prae 'before, ahead' + posse 'be able'.
dolichopellicyoudaoicibaDictYouDict
"Of a human pelvis: having the anteroposterior diameter greater than the transverse diameter", Late 19th cent. From ancient Greek δολιχός long + πέλλα bowl + -ic.