thiên thu

== Vietnamese == === Etymology === Sino-Vietnamese word from 千秋. === Pronunciation === (Hà Nội) IPA(key): [tʰiən˧˧ tʰu˧˧] (Huế) IPA(key): [tʰiəŋ˧˧ tʰʊw˧˧] (Saigon) IPA(key): [tʰiəŋ˧˧ tʰʊw˧˧] === Noun === thiên thu (literary, chiefly attributive) eternity giấc ngủ thiên thu ― an eternal sleep