Save Type Surname (from nickname) Usage Vietnamese Pronounced Pron. /ton˧˧.nɨ˦ˀ˥/, /toŋ˧˧.nɨ˧˨/, /toŋ˧˧.nɨ˨˩˦/ [key·simplify] Meaning & History From Sino-Vietnamese 孫女 (tôn nữ) meaning "granddaughter", originally used as a title for various royal women belonging to the Nguyễn dynasty.