1762, coined by Ben Franklin as the name for a glass harmonica, from Latin fem. of harmonicus (see harmonic); modern sense of "reeded mouth organ" is 1873, American English, earlier harmonicon (1825).
"powdered glass or crystal," by 1904, from French diamanté, past participle of diamanter "to set with diamonds," from Old French diamant (see diamond). Diamante also was a Middle English form of diamond.
1917, from Yiddish or directly from German spritzen "to squirt," from Middle High German sprützen "to squirt, sprout," from Proto-Germanic *sprut- (see sprout (v.)). Spritzer "glass of wine mixed with carbonated water" is from 1961.
late 15c., "one who obstructs," agent noun from stop (v.). From 1590s as "something that obstructs;" specific sense "glass plug for a bottle neck" is from 1660s. As a verb from 1670s. Related: Stoppered.
"iron rod used in manipulating hot glass," 1660s, ponte, from French pontil, a diminutive form from Latin punctum "a point" (from nasalized form of PIE root *peuk- "to prick"). Also ponty, and sometimes in English in the French form.
"coffee-room, viewed from the inside through a glass door, as it was seen by Dickens on a dark London day; ... used by Chesterton to denote the queerness of things that have become trite, when they are seen suddenly from a new angle." [J.R.R. Tolkien, "On Fairy Stories"]