[上古音]:觉部从母,dziuk
[广 韵]:疾僦切,去49宥,jiù,流開三去尤從
[平水韵]:去声二十六宥·入声一屋
[唐 音]:*dzhio?u
[国 语]:jiù
[粤 语]:zau6
[闽南语]:chio7,chiu7