He defeated his opponent with his signature throwing technique.
Many throwing techniques are used in sumo.
Joint-locking technique; another category of martial arts moves distinct from throws.
Standard kanji spelling; common in sumo and martial arts contexts.
Rarely used kanji form; 業 can mean 'art' or 'technique' but is uncommon here.
Compound of 投げ (nage, 'throwing') + 技 (waza, 'technique').