1690s, Modern Latin, from Greek thrombos "lump, piece, clot of blood, curd of milk," a word of uncertain etymology.
"mud," 1824, from Irish and Gaelic clabar "mud." Also often short for bonnyclabber. As a verb, "become thick" (of milk, etc.), by 1880.
thin linen fabric, originally imported from the East, 1722, from Hindi sirsakar, said to be an East Indian corruption of Persian shir o shakkar "striped cloth," literally "milk and sugar," a reference to the alternately smooth and puckered surfaces of the stripes. This would be from Persian shir (cognate with Sanskrit ksiram "milk") + shakar (cognate with Pali sakkhara, Sanskrit sarkara "gravel, grit, sugar;" see sugar (n.)).
"variety of magnetite characterized by its power of attracting iron and steel," mid-15c. (earlier magnes, late 14c.), from Old French magnete "magnetite, magnet, lodestone," and directly from Latin magnetum (nominative magnes) "lodestone," from Greek ho Magnes lithos "the Magnesian stone," from Magnesia (see magnesia), region in Thessaly where magnetized ore was obtained. Figurative sense of "something which attracts" is from 1650s.
It has spread from Latin to most Western European languages (German and Danish magnet, Dutch magneet, Italian, Spanish, Portuguese magnete), but it was superseded in French by aimant (from Latin adamas; see adamant (n.)). Italian calamita "magnet" (13c.), French calamite (by 16c., said to be from Italian), Spanish caramida (15c., probably from Italian) apparently is from Latin calamus "reed, stalk or straw of wheat" (see shawm) "the needle being inserted in a stalk or piece of cork so as to float on water" [Donkin]. Chick magnet attested from 1989.
1887, "a centrifuge machine," originally a machine for separating cream from milk, from French centrifuge, from noun use of adjective meaning "centrifugal" (1801), from Modern Latin centrifugus (see centrifugal). Centrifuge machine is from 1765.