Etymograph

English

kosherness

From kosher + -ness.

Formed from kosher + -ness

Hebrew כָּשֵׁר

Yiddish כּשר

English kosher

The story

Attested since the 20th century.

Today it means

noun The quality of being kosher.

Language periods are conventional ranges, not dates for this word.

Etymograph / kosherness