je ne sais qua

English

Etymology

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

Noun

je ne sais qua (uncountable)

1. Misspelling of je ne sais quoi.

   The ginger flavor adds such a nice je ne sais qua to the cake.

   He's missing that je ne sais qua which separates winners from champions.