kosherness en · NOUN
Etymology
From kosher + -ness. Attested since the 20th century.
Meanings
-
(uncountable) The quality of being kosher.
If perchance she finds an egg already covered by a shell, she must at once consult the shochet to determine its kosherness.
1941, The American Poultryman: Official Publication for the American Poultry Association:Each package is neatly wrapped in cellophane and dated to insure freshness, also bearing the strict endorsement of Rabbi Jacob Pikelny as to kosherness.
1942, The Advocate: America's Jewish Journal, volume 101, page 31: