# je ne sais qua

> English word · Noun

## Definitions
1. Misspelling of je ne sais quoi.

## Etymology
Probably a simple misspelling. Possibly from conflating quoi with the qua in sine qua non.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/je-ne-sais-qua