Sanskrit
उभयपट्टोद्ध्वट्टनान्महाशून्यताप्रवेशः ॥ ३॥
Transliteration
ubhayapaṭṭoddhvaṭṭanānmahāśūnyatāpraveśaḥ || 3 ||
Translation
By the friction of both boards (subject and object), entry into the Great Void occurs.
Word by Word
ubhaya (both/dual), paṭṭa (boards/slabs), uddhvaṭṭanāt (from the rubbing/friction/clashing), mahāśūnyatā (the Great Void), praveśaḥ (entry/penetration)

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