) KEY NOUN:
- A word or pronunciation that distinguishes people of one group or class from those of another.
- A word or phrase identified with a particular group or cause; a catchword.
- A commonplace saying or idea.
- A custom or practice that betrays one as an outsider.
Ultimately from Hebrew ibblet
, torrent of water, from the use of this word to distinguish one tribe from another that pronounced it sibblet (Judges 12:4-6)