One of the mysteries of the English language finally explained.
The act of sweeping the strings of a guitar with the fingertips; rhythmically complex percussive strumming characteristic of flamenco guitar-playing.
1930s; earliest use found in The Albuquerque Journal. From Spanish rasgueado act of strumming a guitar, use as noun of past participle of rasguear to strum, to make a flourish, specifically sense development of rasguear to scrawl. The some forms reflect Spanish rasqueado (from rasquear to strum, to make a flourish, apparently alteration of rasguear).
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