Save Gender Masculine & Feminine Usage Vietnamese Pronounced Pron. /ŋɔ˧˨ʔ/, /ŋɔ˨˩ʔ/, /ŋɔ˨˩˨/ [key·simplify] Meaning & History From Sino-Vietnamese 午 (ngọ) referring to the seventh Earthly Branch (11 AM to 1 PM), which is itself associated with the horse of the Chinese zodiac.