Korean Etymology Sino-Korean word from 顧客, from 顧 (“looking after”) + 客 (“guest”) Pronunciation (SK Standard/Seoul) IPA(key): [ko̞ɡɛk̚] ~ [ko̞ɡe̞k̚]Phonetic hangul: [고객/고겍]More information Romanizations, Revised Romanization? ...RomanizationsRevised Romanization?gogaekRevised Romanization (translit.)?gogaegMcCune–Reischauer?kogaekYale Romanization?kokaykClose Noun 고객 • (gogaek) (hanja 顧客) customer 고객지원(顧客支援)customer support 고객상담실(顧客相談室)customer support room Synonyms 손님 (sonnim, “guest or customer”) Wikiwand - on Seamless Wikipedia browsing. On steroids.