Hoàn Kiếm

== Vietnamese == === Etymology === Sino-Vietnamese word from 還劍, composed of 還 (“to return”) and 劍 (“sword”), from hồ Hoàn Kiếm. === Pronunciation === (Hà Nội) IPA(key): [hwaːn˨˩ kiəm˧˦] (Huế) IPA(key): [hwaːŋ˦˩ kiəm˦˧˥] (Saigon) IPA(key): [waːŋ˨˩ kim˦˥] === Proper noun === Hoàn Kiếm a district of Hanoi, Vietnam