Vietnamese wordbốn mươiIn your course · Chapter 7Part of speechnumeralLevelA1FrequencyNo. 1,718 in the course corpusMeaningsfortySource: Tonada courseRelated wordsba mươithirtyba mươi lămthirty-fivebao nhiêuhow much; how manybuổi chiềuafternoonbuổi sángmorning (part of the day)bàntable; deskbàn họcdesk for studyingbátbowl (Northern)