Hebrews 11:29 - Ellicott's Commentary On The Whole Bible

Which the Egyptians assaying to do. — Literally, Of which the Egyptians making trial were swallowed up (Exodus 14:15). In the same “trial,” but with the support of the word of God, had consisted Israel’s faith. The word land is not in the ordinary Greek text (and hence stands in italics), but is found in the best MSS. It is with this word that the following clause (“of which...”) connects itself.