nước lã

== Vietnamese == === Etymology === Perhaps from nước +‎ lã, with lã deriving from Chinese 冷 (lãnh, “cold”). Compare nước lạnh (“cold water; unboiled water”). === Pronunciation === (Hà Nội) IPA(key): [nɨək̚˧˦ laː˦ˀ˥] (Huế) IPA(key): [nɨək̚˦˧˥ laː˧˨] (Saigon) IPA(key): [nɨək̚˦˥ laː˨˩˦] === Noun === nước lã unboiled water Synonym: nước lạnh ==== Usage notes ==== Strictly speaking, the fact that water is supposed to be boiled is for tea making, but for hygienic purposes, it has always been recommended that people shouldn't drink water straight out of a well or a tap; they should boil it first instead. === See also ===