thiên tử

== Vietnamese == === Etymology === Sino-Vietnamese word from 天子, composed of 天 (“sky”) and 子 (“child”). === Pronunciation === (Hà Nội) IPA(key): [tʰiən˧˧ tɨ˧˩] (Huế) IPA(key): [tʰiəŋ˧˧ tɨ˧˨] (Saigon) IPA(key): [tʰiəŋ˧˧ tɨ˨˩˦] === Noun === thiên tử a Son of Heaven