古英語のswath, trail, track, path, trailから。原語ゲルマン語*swatho, to cut, to slashから、おそらくPIE*swi, to chop, to sliceから、語源的には剣から。
英語の語源
swath (n.)
Old English sw?e, swaeu "track, footstep, trace, scar, vestige," from Proto-Germanic *swathan, *swatho (cognates: Old Frisian swethe "boundary made by a scythe," Middle Dutch swade, Dutch zwade, German Schwad "a row of cut grass"); of uncertain origin. Meaning "a mown crop lying on the ground" is from early 14c.; that of "space covered by the single cut of a scythe" emerged late 15c., and that of "a strip, lengthwise extent" is from c. 1600.
例文
1. The storm cut a wide swath through the town.
嵐が街を席巻し、大きな破壊をもたらした。
2.The effect of velocity on the longitudinal motion of SWATH ship in irregular waves is researched.