the.com/thresh
Beating grain until it surrenders the good part and drops the husk.
means To separate grain seeds from their stalks and husks, traditionally by beating or trampling.
from From Old English threscan, to tread or stamp — back when separating wheat meant literally stomping it on a barn floor, the threshold being where that beaten grain was kept.
Same rootThresh and thrash were once one word.
The floorThreshold once meant the threshing area's doorway.
Gaming twistThresh now also haunts League of Legends.