To the original nomadic Pesah (Passover) - sacrifice of a lamb - there was attached a distinct and agricultural festival of unleavened cakes (ynassoth) which marks the beginning of the corn harvest in the middle of the month Abib (the name of which points to its Canaanite and 1 The tablet is neo-Babylonian and published by Dr Pinches in the Transactions of the Victoria Institute, and is cited by Professor Fried.
Observe the month of Abib and keep the Passover because in that month God brought out the Israelites from Egypt.