niên hiệu

== Vietnamese == === Etymology === Sino-Vietnamese word from 年號, composed of 年 (“year”) and 號 (“appellation”). === Pronunciation === (Hà Nội) IPA(key): [niən˧˧ hiəw˧˨ʔ] (Huế) IPA(key): [niəŋ˧˧ hiw˨˩ʔ] (Saigon) IPA(key): [niəŋ˧˧ hiw˨˩˨] === Noun === niên hiệu an era name