[上古音]:宵部見母,ke?
[广 韵]:舉喬切,下平4宵,jiāo,效開三平宵B見
[平水韵]:下平二萧·上声十七筱
[唐 音]:*gy?u
[国 语]:jiāo
[粤 语]:giu1
[闽南语]:kiau1