In this manner you shall eat it: with your belt fastened, your sandals on your feet, and your staff in your hand. And you shall eat it in haste. It is the LORD’s Passover. ~ Exo 12:11
And the disciples did as Jesus had directed them, and they prepared the Passover. ~ Mat 26:19
P'ASSOVER, noun [pass and over.] A feast of the Jews, instituted to commemorate the providential escape of the Hebrews, in Egypt, when God smiting the first-born of the Egyptians, passed over the houses of the Israelites, which were marked with the blood of the paschal lamb.
from H6452; a pretermission, i.e. exemption; used only technically of the Jewish Passover (the festival or the victim):—passover (offering).
of Chaldee origin (compare H6453); the Passover (the meal, the day, the festival or the special sacrifices connected with it):—Easter, Passover.
For even more information, click each link above.