Definition of Jamais Entendu:

(pronounced: [zha-mey zahn-tyahn-dy])

Noun:
An unfamiliar or foreign concept that is completely new and unheard of.

Origin:
French – Jamais (never) + Entendu (heard, understood)

Usage:
– The term is often used in the context of music to describe an album or a musical composition that is radically innovative and unlike anything that has been heard before.
– It can also be used metaphorically to refer to any groundbreaking idea or invention that challenges conventional wisdom.

Example:
The band’s latest album was a perfect example of jamais entendu – it blended multiple genres in a way that no one had ever imagined.