See also: Appendix:Variations of "tu" Pronunciation (Hà Nội) IPA(key): [tɨ˧˨ʔ] (Huế) IPA(key): [tɨ˨˩ʔ] (Saigon) IPA(key): [tɨ˨˩˨] Audio (Hà Nội):(file) Etymology 1 Sino-Vietnamese word from 字 (“letter, character, word”). Noun tự (chiefly academic) a Chinese character (history) a courtesy name Synonyms (Chinese character): chữ (courtesy name): tên chữ, tên tự, biệt hiệu, biểu tự, tự See also Hán tự tự điển (“dictionary”) từ Etymology 2 Sino-Vietnamese word from 自 (“since, from”). Doublet of từ. Preposition tự (literary) since, from tự khi nàosince when Synonyms từ Etymology 3 Sino-Vietnamese word from 自 (“self”). Adverb tự (before verb) by oneself; on one's own Để tao tự làm.Let me do it myself.