Korean Pronunciation (SK Standard/Seoul) IPA(key): [po̞ks͈u]Phonetic hangul: [복쑤]More information Romanizations, Revised Romanization? ...RomanizationsRevised Romanization?boksuRevised Romanization (translit.)?bogsuMcCune–Reischauer?poksuYale Romanization?pok.swuClose Etymology 1 Sino-Korean word from 複數. Noun 복수 • (boksu) (hanja 複數) (grammar) plural Antonym: 단수(單數) (dansu) Etymology 2 Sino-Korean word from 復讐. Noun 복수 • (boksu) (hanja 復讐) revenge, vengeance, avenge Derived terms 복수(復讐)하다 (boksuhada, “to revenge; to avenge”)Wikiwand - on Seamless Wikipedia browsing. On steroids.