Where does “hiss-and-tell” come from?

hiss-and-tell (English) comes from English hiss, from Middle English hissen.

hiss-and-tell (English): Disclosing private information in a hostile...

Definitions

  1. Disclosing private information in a hostile...

Ancestry of “hiss-and-tell”, step by step

hiss-and-tell traces back through two separate lines of ancestry.

via English hiss

StepLanguageWordMeaning
1EnglishhissA sibilant sound, such as that made by a snake or...
2Middle Englishhissen

via English kiss and tell

StepLanguageWordMeaning
1Englishkiss and tellTo betray a confidence by disclosing private...
Every word from Middle English hissenEvery word from English hiss