Charles Ellicott Commentary Exodus 2:20

"And he said unto his daughters, And where is he? Why is it that ye have left the man? Call him, that he may eat bread." — Exodus 2:20 (ASV)

That he may eat bread. — Arab hospitality was offended that the stranger had not been invited into the tent to partake of the evening meal. The feeling of the modern Bedouin would be the same.