Etymology
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bush (v.)
c. 1500, "grow thick," from bush (n.). From 1640s as "set bushes about."
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blueberry (n.)
also blue-berry, fruit of several species of Vaccinium, c. 1775, from blue (adj.1) + berry.
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bush (n.)

"many-stemmed woody plant," from Old English bysc (found in place names), from West Germanic *busk "bush, thicket" (source also of Old Saxon and Old High German busc, Dutch bosch, bos, German Busch). Influenced by or combined with Old French (busche "firewood") and Medieval Latin busca (source also of Italian bosco, Spanish bosque, French bois), both of which probably are from Germanic (compare Boise).

In the British American colonies, applied from 1650s to the uncleared districts. In South Africa, "country," as opposed to town (1780); probably from Dutch bosch in the same sense. As "branch of a tree hung out as a tavern-sign," 1530s; hence the proverb "good wine needs no bush." Meaning "pubic hair" (especially of a woman) is from 1745. To beat the bushes (mid-15c.) is a way to rouse birds so that they fly into the net which others are holding, which originally was the same thing as beating around the bush (see beat (v.)).

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bush league (adj.)
"mean, petty, unprofessional," 1906, from baseball slang for the small-town baseball clubs below the minor league where talent was developed (by 1903), from bush (n.) in the adjectival slang sense of "rural, provincial," which originally was simple description, not a value judgment.
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rooibos (n.)

1911, from Afrikaans rooibos, literally "red bush," from rooi "red," from Dutch roi (see red (adj.1)) + bos "bush" (see bush (n.1)).

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bushy (adj.)
late 14c., "overgrown with bushes," from bush (n.) + -y (2). Of hair, etc., "resembling a bush, thick and spreading," from 1610s. Related: Bushiness.
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ambush (v.)

mid-14c., embushen, enbushen,inbuchen, "to hide in ambush," from Old French embuschier (13c., Modern French embûcher) "to hide, conceal, lay an ambush," from en- "in" (from PIE root *en "in") + busch "wood," which is apparently from Frankish *busk "bush, woods," or a similar Germanic source (see bush (n.)). The notion probably is "hide in the bush," or "lure into the bush." Related: Ambushed; ambushing.

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Bushman (n.)
one of an aboriginal tribe near the Cape of Good Hope, 1785, from South African Dutch boschjesman, literally "man of the bush," from boschje, from Dutch bosje, diminutive of bosch, bos (see bush (n.)).
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bushing (n.)
"metal sleeve fitted into a machine or hole," 1839, from gerundive of bush (n.) "metal lining of the axle hole of a wheel or touch hole of a gun" (1560s), which is from Middle Dutch busse "box" (cognate with the second element in blunderbuss). Bush-metal "hard brass, gun-metal" is attested from 1847.
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bushwhacker (n.)
also bush-whacker, 1809, American English, "woodsman, one accustomed to life in the bush," literally "one who beats the bushes" (to make his way through), perhaps modeled on Dutch bosch-wachter "forest keeper;" see bush (n.) + whack (v.).

Among Northern troops in the American Civil War, "Confederate irregular who took to the woods and fought as guerrillas" (1862). Related: bushwhack (v.), 1837; bushwhacking (1826).
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