Dam
Chamber's Etymological of the English Language · 1895 · p. 121
darn, v.t. to mend a hole by imitating the — texture of the stuff u. the place darned, [W. darn, a piece, a patch [Kty. dub Darnel, dar'nel, a weed of the ryegra genus. Dart, dart, « a pt/nued weapon for throwing with the hand anything that pierces —v t to hurl suddenly to send or shoot forth.—?' i to start or shoot forth rapidly. adv Dart'ingly. [
Readham'da tam maddeyi gor →