Alternative forms 
Attested in English since 888 in its obsolete meaning of track or trace, since 1475 in its more modern usage. Cognate with German Schwaden (“row of mown grass or grain”).
No definite cognates outside Germanic languages.
swath (plural swaths)
- The track cut out by a scythe in mowing.
- (often figuratively) A broad sweep or expanse.
- Five days after Hurricane Katrina, large swaths of New Orleans, such as Canal Street seen here, are still submerged in water.
Usage notes 
To be distinguished from main meanings of swathe, but that is also an alternative spelling for this word.