Mahabharata 3.163.38

व्यायामं मुष्टिभिः कृत्वा तलैरपि समाहतौअपातयच्च तद्भूतं निश्चेष्टो ह्यगमं महीम्

vyāyāmaṃ muṣṭibhiḥ kṛtvā talairapi samāhatauapātayacca tadbhūtaṃ niśceṣṭo hyagamaṃ mahīm

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