bảo chứng

== Vietnamese == === Etymology === Sino-Vietnamese word from 保證, composed of 保 (“to ensure”) and 證 (“proof”). === Pronunciation === (Hà Nội) IPA(key): [ʔɓaːw˧˩ t͡ɕɨŋ˧˦] (Huế) IPA(key): [ʔɓaːw˧˨ t͡ɕɨŋ˦˧˥] (Saigon) IPA(key): [ʔɓaːw˨˩˦ cɨŋ˦˥] === Verb === bảo chứng to guarantee; to ensure; to assure === Noun === bảo chứng a guarantee; pledge; assurance (figurative) security deposit; collateral