Al-Kāfi

Hadith 318
names-of-god
10ـ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ مُحَمَّدِ بْنِ عِيسَى بْنِ عُبَيْدٍ عَنْ يُونُسَ عَنْ هِشَامِ بْنِ الْحَكَمِ قَالَ سَأَلْتُ أَبَا عَبْدِ الله (عَلَيْهِ السَّلام) عَنْ سُبْحَانَ الله فَقَالَ أَنَفَةٌ لله.
10. Ali ibn Ibrahim has narrated from Muhammad ibn ‘Isa ibn ‘Ubayd from Yunus from Hisham ibn al-Hakam who has said the following. “I asked abu ‘Abdallah (a.s.) about the words 'Glorious is Allah.'” He replied, “(It means) Respect of Allah.”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī