Mahabharata 6.9.16

अष्टचक्रं हि तद्यानं भूतयुक्तं मनोजवम्अग्निवर्णं महावेगं जाम्बूनदपरिष्कृतम्

aṣṭacakraṃ hi tadyānaṃ bhūtayuktaṃ manojavamagnivarṇaṃ mahāvegaṃ jāmbūnadapariṣkṛtam

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