glottis (n.)youdaoicibaDictYouDict[glottis 词源字典]
"mouth of the windpipe, opening at the top of the larynx," 1570s, from Greek glottis "mouthpiece of a pipe," from glotta, Attic dialect variant of glossa "tongue" (see gloss (n.2)).[glottis etymology, glottis origin, 英语词源]
glotto-youdaoicibaDictYouDict
word-forming element meaning "language," from Attic Greek glotto-, from glotta, variant of glossa "tongue; language" (see gloss (n.2)).
glottochronology (n.)youdaoicibaDictYouDict
1953, from glotto- + chronology.
GloucesteryoudaoicibaDictYouDict
English county, Old English Gleawceaster, from Latin Coloniae Glev (2c.), from Glevo, a Celtic name meaning "bright place" (perhaps influenced by Old English gleaw "wise, prudent") + Old English ceaster "Roman town" (see Chester). In reference to a type of cheese by 1802.
glove (n.)youdaoicibaDictYouDict
Old English glof "glove, covering for the hand having separate sheaths for the fingers," also "palm of the hand," from Proto-Germanic *galofo "covering for the hand" (cognates: Old Norse glofi), probably from *ga- collective prefix + *lofi "hand" (cognates: Old Norse lofi, Middle English love, Gothic lofa "flat of the hand"), from PIE *lep- (2) "be flat; palm, sole, shoulder blade" (cognates: Russian lopata "shovel;" Lithuanian lopa "claw," lopeta "shovel, spade").

German Handschuh, the usual word for "glove," literally "hand-shoe" (Old High German hantscuoh; also Danish and Swedish hantsche) is represented by Old English Handscio (the name of one of Beowulf's companions, eaten by Grendel), but this is attested only as a proper name. Meaning "boxing glove" is from 1847. Figurative use of fit like a glove is by 1771.
glove (v.)youdaoicibaDictYouDict
"to cover or fit with a glove," c. 1400, from glove (n.). Related: Gloved; gloving. Old English had adjective glofed. Glover as a surname is from mid-13c.
glow (v.)youdaoicibaDictYouDict
Old English glowan "to glow, shine as if red-hot," from Proto-Germanic *glo- (cognates: Old Saxon gloian, Old Frisian gled "glow, blaze," Old Norse gloa, Old High German gluoen, German glühen "to glow, glitter, shine"), from PIE *ghel- (2) "to shine," with derivatives referring to bright materials and gold (see glass (n.), also glint, glad, etc.). Figuratively from late 14c. Related: Glowed; glowing. Swedish dialectal and Danish glo also have the extended sense "stare, gaze upon," which is found in Middle English.
glow (n.)youdaoicibaDictYouDict
mid-15c., "glowing heat," from glow (v). Meaning "a flush of radiant feeling" is from 1793.
glow-worm (n.)youdaoicibaDictYouDict
early 14c., from glow (v.) + worm (n.). Actually the wingless female form of a beetle (Lampyris noctiluca). The males have wings but do not glow.
glower (v.)youdaoicibaDictYouDict
mid-14c., "to shine;" c. 1500, "to stare with wide eyes," perhaps from a Scandinavian source (compare Norwegian dialectal glora "to glow, gleam; stare"), or related to Middle Dutch gluren "to leer;" in either case from Proto-Germanic *glo- (see glow (v.)), root of Old English glowan "to glow," which influenced the spelling of this word. Meaning "to look angrily, look intently and threateningly, scowl" is from 18c. Related: Glowered; glowering. As a noun, 1715, "an angry or threatening stare," from the verb.
glucagon (n.)youdaoicibaDictYouDict
1923, from gluco- + Greek agon, present participle of agein "to lead" (see act (n.)).
gluco-youdaoicibaDictYouDict
before vowels, gluc-, word-forming element used since c. 1880s, a later form of glyco-, from Greek glykys "sweet," figuratively "delightful; dear; simple, silly," from *glku-, dissimilated in Greek from PIE root *dlk-u- "sweet" (source also of Latin dulcis). Now usually with reference to glucose.
glucose (n.)youdaoicibaDictYouDict
name of a group of sugars (in commercial use, "sugar-syrup from starch"), 1840, from French glucose (1838), said to have been coined by French professor Eugène Melchior Péligot (1811-1890) from Greek gleukos "must, sweet wine," related to glykys "sweet" (see gluco-). It first was obtained from grape sugar. Related: Glucosic.
glue (n.)youdaoicibaDictYouDict
"viscous adhesive substance," early 13c., from Old French glu "glue, birdlime" (12c.), from Vulgar Latin *glutis or Late Latin glutem (nominative glus) "glue," from Latin gluten "glue, beeswax," from PIE *gleit- "to glue, paste" (cognates: Lithuanian glitus "sticky," glitas "mucus;" Old English cliða "plaster"), from root *glei- "to stick together" (see clay). Formerly also glew. In reference to glue from boiled animal hoofs and hides, c. 1400. Glue-sniffing attested from 1963.
glue (v.)youdaoicibaDictYouDict
"join or fasten with glue," late 14c., from Old French gluer, gluier "smear with glue; join together," from glu "glue, birdlime" (see glue (n.)). Related: Glued; gluing.
glue-pot (n.)youdaoicibaDictYouDict
late 15c., from glue (n.) + pot (n.1). Typically a double pot, one within the other, the inner one for the glue, the outer for the hot water.
gluey (adj.)youdaoicibaDictYouDict
late 14c., from glue (n.) + -y (2).
glug (n.)youdaoicibaDictYouDict
1768, imitative of the sound of swallowing a drink, etc. From 1895 as a verb. Compare Middle English glub "to swallow greedily."
glum (adj.)youdaoicibaDictYouDict
1540s, "sullen, moody, frowning," from Middle English gloumen (v.) "become dark" (c. 1300), later gloumben "look gloomy or sullen" (late 14c.); see gloom. Or from or influenced by Low German glum "gloomy, troubled, turbid." In English the word was also formerly a noun meaning "a sullen look" (1520s). An 18c. extended or colloquial form glump led to the expression the glumps "a fit of sulkiness." Glunch (1719) was a Scottish variant. Related: Glumly; glumness.
glut (v.)youdaoicibaDictYouDict
early 14c., glotien "to feed to repletion" (transitive), probably from Old French glotir "to swallow, gulp down, engulf," from Latin glutire/gluttire "to swallow, gulp down," from PIE root *gwele- (3) "to swallow" (see gullet). Intransitive sense "feed (oneself) to repletion" is from c. 1400. Related: Glutted; glutting.