hand touching the ground resulting in direct loss
Sumo term: a wrestler loses immediately when their hand touches the ground before their opponent does, often from a failed throw or slip.
He attempted a throw, but his hand touched the ground first, resulting in a loss by 掃き手.
He lost his balance at the edge of the ring, and the match was decided by a 掃き手.
Compound of 掃き (haki, 'sweeping', from 掃く) and 手 (te, 'hand'), referring to the hand sweeping the ground in a sumo context.