Related Clues:

• When to issue a warning, as a matter of course, previously
• When to give prior warning, of course
• Previously get a warning then, of course
• When to give a previous warning, of course
• A previous warning, then, of course
• Prior warning, of course
• When to issue prior warning, of course
• When there's some prior warning, of course
• Previously, when there's a warning, of course
• It comes before "while"
• Aforetime
• While opener?
• Characters from 'A Winter's Tale' formerly
• It came before "while," once
• Word with "while"