Yusuf Ali
Remember He covered you with a sort of drowsiness, to give you calm as from Himself, and he caused rain to descend on you from heaven, to clean you therewith, to remove from you the stain of Satan, to strengthen your hearts, and to plant your feet firmly therewith.

Sahih International
[Remember] when He overwhelmed you with drowsiness [giving] security from Him and sent down upon you from the sky, rain by which to purify you and remove from you the evil [suggestions] of Satan and to make steadfast your hearts and plant firmly thereby your feet.

Shakir
When He caused calm to fall on you as a security from Him and sent down upon you water from the cloud that He might thereby purify you, and take away from you the uncleanness of the Shaitan, and that He might fortify your hearts and steady (your) footsteps thereby.

Pickthall
When He made the slumber fall upon you as a reassurance from him and sent down water from the sky upon you, that thereby He might purify you, and remove from you the fear of Satan, and make strong your hearts and firm (your) feet thereby.

محمد جالندھری
جب اس نے (تمہاری) تسکین کے لیے اپنی طرف سے تمہیں نیند (کی چادر) اُڑھا دی اور تم پر آسمان سے پانی برسادیا تاکہ تم کو اس سے (نہلا کر) پاک کر دے اور شیطانی نجاست کو تم سے دور کردے۔ اور اس لیے بھی کہ تمہارے دلوں کو مضبوط کردے اور اس سے تمہارے پاؤں جمائے رکھے