thanh thiên

== Vietnamese == === Etymology === Sino-Vietnamese word from 青天. === Pronunciation === (Hà Nội) IPA(key): [tʰajŋ̟˧˧ tʰiən˧˧] (Huế) IPA(key): [tʰɛɲ˧˧ tʰiəŋ˧˧] (Saigon) IPA(key): [tʰan˧˧ tʰiəŋ˧˧] === Noun === thanh thiên (literary) blue sky ==== Compound terms ====