chừng nào

== Vietnamese == === Etymology === chừng (“extent”) +‎ nào (“which”). Attested already with the meaning "when" in the Dictionarium anamitico-latinum (1772 manuscript), a dictionary based chiefly on the Southern dialects. === Pronunciation === (Hà Nội) IPA(key): [t͡ɕɨŋ˨˩ naːw˨˩] (Huế) IPA(key): [t͡ɕɨŋ˦˩ naːw˦˩] (Saigon) IPA(key): [cɨŋ˨˩ naːw˨˩] === Adverb === chừng nào (colloquial) when Synonyms: khi nào, bao giờ (literary) how much more === Conjunction === chừng nào as long as