英语词源字典 - 在线词源网站

department: department: [15] English has borrowed department from French département on two completely separate occasions. Originally, in late Middle English, it was used for ‘departure’, but this died out in the mid-17th century. Then in the 18th century it was re-acquired in the different sense ‘distinct division’; Dr Johnson, in his Dictionary 1755, dismisses it as a French term.
banausic (adj.): "merely mechanical," coined 1845 from Greek banausikos "pertaining to mechanics," from banausos "artisan, mere mechanical," hence (to the Greeks) "base, ignoble;" perhaps literally "working by fire," from baunos "furnace, forge" (but Klein dismisses this as folk etymology and calls it "of uncertain origin").
bigot (n.): 1590s, "sanctimonious person, religious hypocrite," from French bigot (12c.), which is of unknown origin. Earliest French use of the word is as the name of a people apparently in southern Gaul, which led to the now-doubtful, on phonetic grounds, theory that the word comes from Visigothus. The typical use in Old French seems to have been as a derogatory nickname for Normans, the old theory (not universally accepted) being that it springs from their frequent use of the Germanic oath bi God. But OED dismisses in a three-exclamation-mark fury one fanciful version of the "by god" theory as "absurdly incongruous with facts." At the end, not much is left standing except Spanish bigote "mustache," which also has been proposed but not explained, and the chief virtue of which as a source seems to be there is no evidence for or against it.

In support of the "by God" theory, as a surname Bigott, Bygott are attested in Normandy and in England from the 11c., and French name etymology sources (such as Dauzat) explain it as a derogatory name applied by the French to the Normans and representing "by god." The English were known as goddamns 200 years later in Joan of Arc's France, and during World War I Americans serving in France were said to be known as les sommobiches (see also son of a bitch). But the sense development in bigot is difficult to explain. According to Donkin, the modern use first appears in French 16c. This and the earliest English sense, "religious hypocrite," especially a female one, might have been influenced by beguine and the words that cluster around it. Sense extended 1680s to other than religious opinions.
cadastral (adj.): 1858, from French cadastral, from cadastre "register of the survey of lands" (16c.), from Old Italian catastico, from Late Greek katastikhos "register," literally "by the line" (see cata-, stair). Gamillscheg dismisses derivation from Late Latin capitastrum "register of the poll tax."
silk (n.): c. 1300, from Old English seoloc, sioloc "silk, silken cloth," from Latin sericum "silk," plural serica "silken garments, silks," literally "Seric stuff," neuter of Sericus, from Greek Serikos "silken; pertaining to the Seres," an oriental people of Asia from whom the Greeks got silks. Western cultivation began 552 C.E., when agents from Byzantium impersonating monks smuggled silkworms and mulberry leaves out of China. Chinese si "silk," Manchurian sirghe, Mongolian sirkek have been compared to this and the people name in Greek might be a rendering via Mongolian of the Chinese word for "silk," but this is uncertain.

Also found in Old Norse as silki but not elsewhere in Germanic. The more common Germanic form is represented by Middle English say, from Old French seie, with Spanish seda, Italian seta, Dutch zijde, German Seide is from Medieval Latin seta "silk," perhaps elliptical for seta serica, or else a particular use of seta "bristle, hair" (see seta (n.)).

According to some sources [Buck, OED], the use of -l- instead of -r- in the Balto-Slavic form of the word (Old Church Slavonic šelku, Lithuanian šilkai) passed into English via the Baltic trade and may reflect a Chinese dialectal form, or a Slavic alteration of the Greek word. But the Slavic linguist Vasmer dismisses that, based on the initial sh- in the Slavic words, and suggests the Slavic words are from Scandinavian rather than the reverse.

As an adjective from mid-14c. In reference to the "hair" of corn, 1660s, American English. Figurative use of silk-stocking (n.) is from 1590s; as an adjective meaning "wealthy" it is attested from 1798, American English (silk stockings, especially worn by men, being regarded as extravagant and reprehensible, indicative of luxurious habits). Silk-screen (n.) is first attested 1930; as a verb from 1961. Silk road so called in English from 1931.
sound (v.2): "fathom, probe, measure the depth of," mid-14c. (implied in sounding), from Old French sonder, from sonde "sounding line," perhaps from the same Germanic source that yielded Old English sund "water, sea" (see sound (n.2)). Barnhart dismisses the old theory that it is from Latin subundare. Figurative use from 1570s.