Dict: strongs - unleavened

Strongs:

H4682 @ מצּה matstsâh mats-tsaw' From H4711 in the sense of greedily devouring for sweetness; properly sweetness; concretely sweet (that {is} not soured or bittered with yeast); specifically an unfermented cake or {loaf} or (elliptically) the festival of Passover (because no leaven was then used): - unleavened ({bread} {cake}) without leaven.

G106 @ ἄζυμος azumos ad'-zoo-mos From G1 (as a negative particle) and G2219; unleavened that is (figuratively) uncorrupted; (in the neuter plural) specifically (by implication) the Passover week: - unleavened (bread).