chametz


cha·metz

C5240450 (KHä-mĕts′, hä-) n. Food made from grain or flour that has been mixed with water and left to sit, considered leavened according to Jewish dietary law and thus forbidden for Jews to use or possess during Passover.
[Hebrew ḥāmēṣ, from ḥāmēṣ, to be leavened; akin to Akkadian emṣu, emiṣ-, sour, Arabic ḥamuḍa, to be sour, and Aramaic ḥăma', to be leavened.]

chametz

(xaˈmɛtʒ; Yiddish ˈxomətʒ) or

chometz

n (Judaism) Judaism leavened food which may not be eaten during Passover