armadillo (n.)youdaoicibaDictYouDict[armadillo 词源字典]
1570s, from Spanish armadillo, diminutive of armado "armored," from Latin armatus, past participle of armare "to arm" (see arm (n.2)). So called for its hard, plated shell.[armadillo etymology, armadillo origin, 英语词源]
contemplate (v.)youdaoicibaDictYouDict
1590s, from Latin contemplatus, past participle of contemplari "survey, observe" (see contemplation). Related: Contemplated; contemplating.
ecstasy (n.)youdaoicibaDictYouDict
late 14c., extasie "elation," from Old French estaise "ecstasy, rapture," from Late Latin extasis, from Greek ekstasis "entrancement, astonishment, insanity; any displacement or removal from the proper place," in New Testament "a trance," from existanai "displace, put out of place," also "drive out of one's mind" (existanai phrenon), from ek "out" (see ex-) + histanai "to place, cause to stand," from PIE root *sta- "to stand" (see stet).

Used by 17c. mystical writers for "a state of rapture that stupefied the body while the soul contemplated divine things," which probably helped the meaning shift to "exalted state of good feeling" (1610s). Slang use for the drug 3,4-methylendioxymethamphetamine dates from 1985. Formerly also spelled ecstasie, extacy, extasy, etc. Attempts to coin a verb to go with it include ecstasy (1620s), ecstatize (1650s), ecstasiate (1823), ecstasize (1830).
plate (v.)youdaoicibaDictYouDict
late 14c., from plate (n.). Related: Plated; plating.
wax (n.)youdaoicibaDictYouDict
Old English weax "substance made by bees," from Proto-Germanic *wahsam (cognates: Old Saxon, Old High German wahs, Old Norse vax, Dutch was, German Wachs), from PIE root *wokso- "wax" (cognates: Old Church Slavonic voskŭ, Lithuanian vaškas, Polish wosk, Russian vosk "wax" (but these may be from Germanic). Used of other similar substances from 18c. Slang for "gramophone record" is from 1932, American English (until the early 1940s, most original records were made by needle-etching onto a waxy disk which was then metal-plated to make a master). Waxworks "exhibition of wax figures representing famous or notorious persons" first recorded 1796.