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A man in relation to his children; a male parent.
Bố của tôi là người rất kiên nhẫn.
My father is a very patient person.
In Vietnamese family culture, 'bố' is often used to address one's own father or another man's father in a respectful way.
Use 'bố' in informal contexts. For more formal situations, 'cha' is preferred.
When addressing someone else's father, it's polite to use 'ông' instead of 'bố' unless you are very close to the family.
From Middle Vietnamese *bố*, from Proto-Vietic *bɔːʔ. Cognate with Muong *bố*, Chut *bɔː²*.
'Bố' is commonly used to refer to one's own father or another man's father in a familiar context. It is less formal than 'cha' and is often used in everyday conversation.