The feast of unleavened bread to be kept seven days, &c. All firstlings to be the Lord's.
The suggestion has been made by Wellhausen and Robertson Smith that the Passover was, in its original form, connected with the sacrifice of the firstlings, and the latter points to the Arabic annual sacrifices called Atair, which some of the lexicographers interpret as firstlings.
But the real Arabic sacrifice of firstlings was called Fara`; it might be sacrificed at any time, as was also the case with the Hebrews (Exod.
The suggestion of Wellhausen and Robertson Smith confuses the offering of firstlings (Arabic Fara') and that of the first yeanlings of the year in the spring (Arabic Atair).
In Egypt the Israelites, as a pastoral people, sacrificed the firstlings of their flocks in the spring, and, according to tradition, it was a refusal to permit a general gathering for this purpose that caused the Exodus.