Mahabharata 1.142.15

तावन्योन्यं समाश्लिष्य विकर्षन्तौ परस्परम्दावाग्निधूमसदृशं चक्रतुः पार्थिवं रजः

tāvanyonyaṃ samāśliṣya vikarṣantau parasparamdāvāgnidhūmasadṛśaṃ cakratuḥ pārthivaṃ rajaḥ

Our plain-language meaning of this verse is waiting for scholar review.