Ellicott's Commentary for English Readers - Genesis 18:4
(4) Wash your feet.—This is the first necessity of Oriental hospitality (Judges 19:21), not merely because the feet, protected only by sandals, are soiled by the dirt of the roads, but because it cools the whole body, and allays the feverishness caused by the heat of travelling. Thus refreshed they are “to rest,” Heb., to lay themselves down, in the shade. read more
Ellicott's Commentary for English Readers - Genesis 18:3
(3) My lord.—Heb. ‘donai, a term of simple respect, just as the bowing towards the earth is exactly what an Arab sheik would do now to a passing traveller. Abraham’s conduct is marked by all that stately courtesy usual among Orientals. He calls himself their slave: regards it as a favour that they should partake of his hospitality; speaks slightingly of the repast prepared as a mere morsel of bread; and treats it as a providential act that they had come into his neighbourhood. It was only... read more