土つち付つかず

noun

undefeated record; clean record; no losses

Sumo term for a wrestler who has not yet lost a bout in a tournament; literally 'without touching the dirt'.

• 彼かれは初しょ日にちから土つち付つかずで勝かち進すすんでいる。

  He has been winning without a loss since the first day.

• 土つち付つかずの力りき士しが優ゆう勝しょう争あらそいをリードしている。

  The undefeated wrestler is leading the championship race.