By saying that the visitors had “come under the shadow ” of his roof, Lot indicated that he felt compelled to provide protection and refuge for them.
وبالقول ان زائرَيه « دخلا تحت ظل » سقفه ،‏ عنى انه شعر ان من واجبه تزويدهما بالحماية والملجإ .‏