French
Je-ne-sais-quoi
/zhuh-nuh-seh-KWAH/
An indefinable, elusive quality that makes something distinctive and attractive, often something subtle and hard to describe.
Lit. I don't know what
Used to describe a certain 'something' or charm that is difficult to pinpoint but makes a person, place, or thing special. It's often used when words fail to capture the essence of an appealing characteristic.