The story
Back-formation from whistleblowing or whistleblower, equivalent to whistle + blow.
Etymology from Wiktionary, CC BY-SA 4.0.
whistle-blow
Today it means: To blow the whistle (on); to report (as a whistleblower). Full definition →
Today it means: To blow the whistle (on); to report (as a whistleblower). Full definition →
Back-formation from whistleblowing or whistleblower, equivalent to whistle + blow.
Etymology from Wiktionary, CC BY-SA 4.0.