It is narrated from Sayyida Aisha (may Allah be pleased with her) that the Messenger of Allah (peace and blessings be upon him and his family) used to recite this supplication in bowing and prostration: Subbuhun Quddusun Rabbul-mala’ikati war-ruh. (He is the Most Glorious, Most Holy, Lord of the angels and the Spirit (i.e., Jibreel).)
Hadith Referenceالفتح الربانی / أبواب صفة الصلاة / 1693
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«أخرجه مسلم: 487 ، (انظر مسند أحمد ترقيم الرسالة: 24063 ترقیم بيت الأفكار الدولية: 24564»
Brief Explanation
Benefits: … The meanings of "Subbuh" and "Quddus" are "Musabbah" and "Muqaddas" (the One who is glorified and sanctified). In Urdu, their meanings are as follows: "Subbuh" is that Being who is free from deficiencies, partners, and from everything that does not befit His divinity. "Quddus": that Being who is pure from everything that does not befit the Creator.