räsˈgä(ˌ)dō noun
( -s )
Etymology: Spanish, literally, tear, rip, from past participle of rasgar to tear, rip, alteration (influenced by rascar to scratch, from — assumed — Vulgar Latin rasicare ) of resgar, from Latin resecare to cut loose, cut off, from re- + secare to cut — more at rash , saw
: the arpeggio effect produced by sweeping the strings with the thumb in guitar playing