C2 noun /ˈʃɪbəˌlɛθ/
shibboleth
expression ou croyance distinctive d'un groupe particulier
Meaning
A custom, phrase, or belief distinguishing a particular group of people, often used to identify outsiders.
Example
The phrase became a political shibboleth during the campaign.
La phrase est devenue un chibboleth politique pendant la campagne.