उमामहेश्वरव्रतं—पञ्चाक्षरमन्त्रस्य माहात्म्यं, न्यासः, जपविधिः, सदाचारः, विनियोगः
प्राणायामाद्भवेत्क्षिप्रं सर्वपापपरिक्षयः इन्द्रियाणां वशित्वं च तस्मात्प्राणांश् च संयमेत्
prāṇāyāmādbhavetkṣipraṃ sarvapāpaparikṣayaḥ indriyāṇāṃ vaśitvaṃ ca tasmātprāṇāṃś ca saṃyamet
പ്രാണായാമം കൊണ്ടു വേഗത്തിൽ സർവ്വപാപക്ഷയം സംഭവിക്കുന്നു; ഇന്ദ്രിയവശതയും ലഭിക്കുന്നു; അതുകൊണ്ട് പ്രാണപ്രവാഹത്തെ സംയമിച്ച് നിയന്ത്രിക്കണം।
Suta Goswami (narrating Purāṇic teaching in a Pāśupata-Yogic register)
It frames inner purification as essential to Liṅga-upāsanā: by regulating prāṇa, the devotee reduces pāpa/impurity and steadies the mind-senses, making worship fit for approaching Pati (Śiva).
Śiva is implied as Pati—the Lord who is approached through purification and discipline; when the Pashu (bound soul) restrains prāṇa and senses, pasha-like impurities loosen, enabling steadiness toward Śiva-tattva.
Prāṇāyāma (breath regulation) as a Pāśupata-Yogic discipline for indriya-nigraha (sense-control) and rapid inner purification.