Mahabharata 12.177.37
एष सप्तविधः प्रोक्तो गुण आकाशलक्षणःत्रैस्वर्येण तु सर्वत्र स्थितोऽपि पटहादिषु
eṣa saptavidhaḥ prokto guṇa ākāśalakṣaṇaḥtraisvaryeṇa tu sarvatra sthito'pi paṭahādiṣu
Our plain-language meaning of this verse is waiting for scholar review.