Verse meaning
This is the verse translation, not a definition of the individual word.
Moses said, “Our Lord, You have given Pharaoh and his chiefs splendor and wealth in the life of this world. Our Lord, they may lead people astray from Your way. Our Lord, destroy their wealth and harden their hearts[1], so that they may not believe until they see the painful punishment.”
Source
[1] Moses did the same as Noah (عليه السلام) did when Allah told him that none of his people will believe besides those who already did so (cf. 11:36), so he prayed for them to be utterly wiped out (cf. 71:27).
Source: QuranEnc.com · English Translation - Rowwad Translation Center
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