LubishyoudaoicibaDictYouDict[Lubish 词源字典]
1610s, from German lübisch, Dutch lubeksch, from Lübeck, Hanseatic city in northern Germany, formerly a trade center, hence its use as an adjective in English. The city was founded 1143 and is said to be named for the former principality of the Liubichi, literally "the people of prince Liub" (literally "beloved"). [Lubish etymology, Lubish origin, 英语词源]
lubric (adj.)youdaoicibaDictYouDict
"smooth, slippery," late 15c., also "lascivious, wanton," from Middle French lubrique (15c.) or directly from Latin lubricus "slippery" (see lubricant (adj.)). Related: Lubrical.
lubricant (n.)youdaoicibaDictYouDict
1828, probably from lubricant (adj.), or from Latin lubricantem.
lubricant (adj.)youdaoicibaDictYouDict
"reducing friction," 1809, from Latin lubricantem (nominative lubricans), present participle of lubricare "to make slippery or smooth," from lubricus "slippery; easily moved, sliding, gliding;" figuratively "uncertain, hazardous, dangerous; seductive," from PIE *sleubh- "to slip, slide" (see sleeve).
lubricate (v.)youdaoicibaDictYouDict
1620s, "to make slippery or smooth" (especially by the application of an oil), from Latin lubricatus, past participle of lubricare "to make slippery or smooth," from lubricus "slippery" (see lubricant (adj.)). Related: Lubricated; lubricating. Earlier verb was lubrify (1610s), from Medieval Latin lubrificare.
lubrication (n.)youdaoicibaDictYouDict
1640s, "act of lubricating," noun of action from lubricate (v.). Earlier were lubifraction (1540s).
lubricity (n.)youdaoicibaDictYouDict
late 15c., "lasciviousness," from Middle French lubricité or directly from Latin lubricitatem (nominative lubricitas), from lubricus "slippery" (see lubricant (adj.)). Sense of "oiliness, smoothness" is from 1540s; figurative sense of "shiftiness" is from 1610s.
lubricous (adj.)youdaoicibaDictYouDict
1530s, "lascivious," from Latin lubricus "slippery, smooth," from lubricus "slippery" (see lubricant (adj.)). Literal meaning "slippery, oily" is from 1650s in English; figurative sense of "shifty, elusive" is from 1640s. Also lubricious (1580s).
lubritorium (n.)youdaoicibaDictYouDict
"place where automobiles are greased," 1928; from lubrication + ending from auditorium. Mentioned as an overworked suffix in the late 1920s; Mencken also lists infantorium, shavatorium, restatorium, hatatorium, and odditorium ("a slide-show").
lucency (n.)youdaoicibaDictYouDict
1650s, from lucent + -cy. Lucence is from late 15c.
lucent (adj.)youdaoicibaDictYouDict
mid-15c., "shining, bright, luminous," from Latin lucentem (nominative lucens), present participle of lucere "to shine" (see light (n.)). Meaning "lucid, clear" is from 1820. Related: Lucently.
LuciayoudaoicibaDictYouDict
fem. proper name; see Lucy.
LucianyoudaoicibaDictYouDict
masc. proper name, from Latin Lucianus (source also of French Lucien), a derivative of Roman Lucius, from lux (genitive lucis) "light" (see light (n.)). The Hellenistic Greek writer (his name Latinized from Greek Loukianos) was noted as the type of a scoffing wit.
lucid (adj.)youdaoicibaDictYouDict
1590s, "bright, shining," from Latin lucidus "light, bright, clear," figuratively "perspicuous, lucid, clear," from lucere "to shine," from lux (genitive lucis) "light," from PIE root *leuk- "to shine, be bright" (see light (n.)). Sense of "easy to understand" first recorded 1786. Lucid interval "period of calm or temporary sanity" (1580s) is from Medieval Latin lucida intervalla (plural), which was common in medieval English legal documents (non est compos mentis, sed gaudet lucidis intervallis). Related: Lucidly; lucidness (1640s).
lucidity (n.)youdaoicibaDictYouDict
1650s, "brightness," from French lucidité, from Late Latin luciditas, from lucidus (see lucid). Meaning "intellectual clarity" attested by 1851.
LuciferyoudaoicibaDictYouDict
Old English Lucifer "Satan," also "morning star," from Latin Lucifer "morning star," literally "light-bringing," from lux (genitive lucis) "light" (see light (n.)) + ferre "carry" (see infer).

Belief that it was the proper name of Satan began with its use in Bible to translate Greek Phosphoros, which translates Hebrew Helel ben Shahar in Isaiah xiv:12 -- "How art thou fallen from heaven, O Lucifer, son of the morning!" [KJV] Because of the mention of a fall from Heaven, the verse was interpreted by Christians as a reference to Satan, even though it is literally a reference to the King of Babylon (see Isaiah xiv:4).

Lucifer match "friction match" is from 1831. Adjectival forms include Luciferian, Luciferine, Luciferous. There was a noted Bishop Lucifer of Cagliari in Sardinia in the 4th century, regarded locally as a saint.
luciferase (n.)youdaoicibaDictYouDict
supposed enzyme found in fireflies and other glowing creatures, 1888, from French luciférase; see Lucifer. Related: Luciferin.
luciferous (adj.)youdaoicibaDictYouDict
"light-bringing, emitting light," 1650s, from Latin lucifer (see Lucifer) + -ous. Figurative use is earliest (1640s) and more common.
lucifugous (adj.)youdaoicibaDictYouDict
"shunning the light," 1650s, from Latin lucifugus, from stem of lucere "to shine" (see light (n.)) + stem of fugax "apt to flee, timid," figuratively "transitory, fleeting," from fugere "to flee" (see fugitive (adj.)).
LucilleyoudaoicibaDictYouDict
fem. proper name, from French Lucille, diminutive of Latin Lucia (see Lucy).