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Origin and history of blench

blench(v.)

"shrink, start back, give way; flinch, wince, dodge," c. 1200, an extended sense from Old English blencan "deceive, cheat" (obsolete in the original sense), from Proto-Germanic *blenk- "to shine, dazzle, blind" (source also of Old Norse blekkja "delude"), from PIE root *bhel- (1) "to shine, flash, burn," also "shining white." Related: Blenched; blenching.

Entries linking to blench

"to start back, shrink, turn aside," 1570s, variant of blench (q.v.). Related: Blanched; blanching.

1580s, "nictitate, wink rapidly and repeatedly," perhaps from Middle Dutch blinken "to glitter," which is of uncertain origin, possibly, along with German blinken "to gleam, sparkle, twinkle," from a nasalized form of base found in Old English blican "to shine, glitter" (from PIE root *bhel- (1) "to shine, flash, burn").

Middle English had blynke (c. 1300) in the sense "a brief gleam or spark," perhaps a variant of blench "to move suddenly or sharply; to raise one's eyelids" (c. 1200), perhaps from the rare Old English blencan "deceive."

The word existed originally with a vague and shifting set of meanings, many now obsolete, having to do with motion of the eyes; in earlier use "the notion of 'glancing' predominates; in the latter, that of 'winking'" [OED].

Blink as "to wink" is attested by 1761. The meaning "cast a sudden, fleeting light" is from 1786; that of "shut the eyes momentarily and involuntarily" is from 1858. Related: Blinked; blinking. The last, as a euphemism for a stronger adjective, is attested by 1914.

Proto-Indo-European root meaning "to shine, flash, burn," also "shining white" and forming words for bright colors.

It might form all or part of: beluga; Beltane; black; blancmange; blanch; blank; blanket; blaze (n.1) "bright flame, fire;" bleach; bleak; blemish; blench; blende; blend; blind; blindfold; blitzkrieg; blond; blue (adj.1); blush; conflagration; deflagration; effulgence; effulgent; flagrant; flambe; flambeau; flamboyant; flame; flamingo; flammable; Flavian; Flavius; fulgent; fulminate; inflame; inflammable; phlegm; phlegmatic; phlogiston; phlox; purblind; refulgent; riboflavin.

It might also be the source of: Sanskrit bhrajate "shines;" Greek phlegein "to burn;" Latin flamma "flame," fulmen "lightning," fulgere "to shine, flash," flagrare "to burn, blaze, glow;" Old Church Slavonic belu "white;" Lithuanian balnas "pale."

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