Etymology
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skylight (n.)

also sky-light, 1670s, "light from the sky," from sky (n.) + light (n.). The meaning "small window or opening in a roof or ceiling to admit light" is recorded from 1680s. Sky-lit (adj.) is attested by 1923.

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vitriol (n.)

late 14c., "sulphate of iron," from Old French vitriol (13c.), from Medieval Latin vitriolum "vitriol," noun use of neuter of vitriolus, variant of Late Latin vitreolus "of glass," from Latin vitreus "of glass, glassy," from vitrum "glass" (see vitreous). So called from its glassy appearance in certain states. Meaning "bitter or caustic feelings" first attested 1769, in reference to the corrosive properties of vitriol (when heated it produces sulfuric acid, formerly called oil of vitriol).

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glaze (v.)

late 14c. variant of Middle English glasen "to fit with glass," also "to make shine," from glas (see glass (n.)). The form probably influenced or reinforced by glazier. Of pottery, etc., "cover with a shiny or glossy substance," from c. 1400. Related: Glazed; glazing.

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chortle (v.)

coined 1871 by Lewis Carroll in "Through the Looking Glass," perhaps from chuckle and snort. Related: Chortled; chortling. As a noun, from 1903.

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glazier (n.)

"one who fits window glass into frames," early 15c. variant of late 14c. glasier (late 13c. as a surname, glasyer, from glass (v.) + -er (1). Influenced by French words in -ier. Alternative glazer recorded from c. 1400 as "one who applies coatings to earthenware."

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egg-timer (n.)

"sand-glass used for determining the time in boiling eggs," 1873, from egg (n.) + timer.

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carboy (n.)

"large globular glass bottle covered with basketwork," 1753, probably ultimately from Persian qarabah "large flagon."

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refill (n.)

"an act of filling again; that which serves to refill anything," 1884, from refill (v.). Meaning "a second drink" is from 1929; by 1960 as "the renewed contents of a glass."

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bangle (n.)

"ornamental ring worn upon the arm or ankle," 1787, from Hindi bangri "colored glass bracelet or anklet."

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tumbler (n.)

mid-14c., "acrobat," agent noun from tumble (v.). Compare Old English tumbere "tumbler, dancer." A fem. form was tumblester (early 15c.), tumbester (late 14c.) "female acrobatic dancer." Meaning "drinking glass" is recorded from 1660s, originally a glass with a rounded or pointed bottom which would cause it to "tumble;" thus it could not be set down until it was empty. As a part of a lock mechanism, from 1670s.

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