chứng từ

== Vietnamese == === Etymology === Sino-Vietnamese word from 證詞, composed of 證 (“proof”) and 詞 (“statement”). === Pronunciation === (Hà Nội) IPA(key): [t͡ɕɨŋ˧˦ tɨ˨˩] (Huế) IPA(key): [t͡ɕɨŋ˦˧˥ tɨ˦˩] (Saigon) IPA(key): [cɨŋ˦˥ tɨ˨˩] === Noun === chứng từ receipt; voucher; proof document