kinh niên

== Vietnamese == === Etymology === Sino-Vietnamese word from 經 and 年. === Pronunciation === (Hà Nội) IPA(key): [kïŋ˧˧ niən˧˧] (Huế) IPA(key): [kɨn˧˧ niəŋ˧˧] (Saigon) IPA(key): [kɨn˧˧ niəŋ˧˧] === Adjective === kinh niên lasting for years; chronic bệnh kinh niên ― a chronic illness