Other forms: swathes
A swathe is a broad strip cut or covered across something. A swathe of countryside.
It began as the width a scythe cuts in one sweep, which is exactly the image. To cut a swathe through something means going through it destructively and fast.
1nounswatheA broad strip cut or covered across something.
“A swathe of the moor was burned in one afternoon.”
swathe is a strip.
Old English swaethu, a track or trace; a swathe was the strip a mower cut at one pass.
Old English
swaþu
Middle English
swathe
English, today
swathe
Built from
From Middle English swathe, swath, from Old English swaþu, swæþ (“bandage”), probably akin to Old English swaþul, sweþel (“a swathe, wrap, band, bandage”).
Etymology from Wiktionary, CC BY-SA