[上古音]:职部帮母,piu?k
[广 韵]:方副切,去49宥,fòu,流開三去尤幫
[平水韵]:去声七遇·去声二十六宥
[唐 音]:*bio?u
[国 语]:fù
[粤 语]:fu3
[闽南语]:hu3,pu3