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Origin and history of buna

buna(n.)

synthetic rubber made from butadiene, 1936, from German Buna, a name chosen by the German Dye Trust, from first elements of butadiene, name of a hydrocarbon (related to butane; the suffix indicates the presence of two double bonds) + Na, indicating sodium (from natrium; see sodium).

also from 1936

Entries linking to buna

butane(n.)

paraffin hydrocarbon, 1875, from butyl, hydrocarbon from butyric acid, a product of fermentation found in rancid butter, from Latin butyrum (see butter (n.)) + chemical suffix -ane.

sodium(n.)

metallic alkaline element, 1807, coined by English chemist Humphry Davy from soda + -ium. So called because the element was isolated from caustic soda (sodium hydroxide). The chemical symbol Na is from natrium, the name for the element that had been proposed by Berzelius and coined from natron, a name of a type of soda.

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    Trends of buna

    adapted from books.google.com/ngrams/ with a 7-year moving average; ngrams are probably unreliable.

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    bottom
    This is perhaps from PIE root *bhudhno- "bottom" (source also of Sanskrit budhnah, Avestan buna- "bottom," Greek pythmen...
    rubber
    1530s, "thing that rubs" (a brush, cloth, etc.), agent noun from rub (v.). By c. 1600 as "one who applies friction or massage in some process." The meaning "elastic substance from tropical plants" is recorded by 1788, short for India rubber. Earlier known also as catouchou, caout
    fret
    Old English fretan "devour, feed upon, consume," from Proto-Germanic compound *fra-etan "to eat up," from *fra- "completely" (from PIE root *per- (1) "forward," hence "through") + *etan "to eat" (from PIE root *ed- "to eat"). Cognates include Dutch vreten, Old High German frezzan
    Balaclava
    "woolen head covering," especially worn by soldiers, evidently named for village near Sebastopol, site of a battle Oct. 25, 1854, in the Crimean War. But the term (originally Balaclava helmet) does not appear before 1881 and seems to have come into widespread use in the Boer War.
    skate
    "type of flat, cartilaginous fish, a kind of ray," mid-14c., scate, in reference to the common European skate, from a Scandinavian source such as Old Norse skata "skate," Danish skade, Faeroese skøta, a word of unknown origin. All skates are rays, but all rays are not called ska
    discourse
    late 14c., "process of understanding, reasoning, thought," from French discours, from Latin discursus "a running about," in Late Latin "conversation," in Medieval Latin "reasoning," noun use of past participle of discurrere "to run about, run to and fro, hasten," in Late Latin "t
    sweet
    Old English swete, Mercian swoete, "pleasing to the senses, mind or feelings; having a pleasant disposition," from Proto-Germanic *swotja- (source also of Old Saxon swoti, Old Frisian swet, Swedish söt, Danish sød, Middle Dutch soete, Dutch zoet, Old High German swuozi, German sü
    groom
    c. 1200 (late 12c. in surnames), grome "male child, boy;" c. 1300, "a youth, young man," also "male servant, attendant, minor officer in a royal or noble household ranking higher than a page; a knight's squire." A word of unknown origin with no certain cognates in other Germanic
    cripple
    Old English crypel, "one who creeps, halts, or limps, one partly or wholly deprived of the use of one or more limbs," related to cryppan "to crook, bend," from Proto-Germanic *krupilaz (source also of Old Frisian kreppel, Middle Dutch cropel, German krüppel, Old Norse kryppill).
    Logos
    1580s, "the divine Word, second person of the Christian Trinity," from Greek logos "word, speech, statement, discourse," also "a computation, account," also "reason, judgment, understanding," from PIE *log-o-, suffixed form of root *leg- (1) "to collect, gather," with derivatives

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    Dictionary entries near buna
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