उमामहेश्वरव्रतं—पञ्चाक्षरमन्त्रस्य माहात्म्यं, न्यासः, जपविधिः, सदाचारः, विनियोगः
रुलेस् फ़ोर् फ़ोओद् अन्द् अ मेअल् शूद्रान्नं यातयामान्नं नैवेद्यं श्राद्धमेव च गणान्नं समुदायान्नं राजान्नं च विवर्जयेत्
rules for food and a meal śūdrānnaṃ yātayāmānnaṃ naivedyaṃ śrāddhameva ca gaṇānnaṃ samudāyānnaṃ rājānnaṃ ca vivarjayet
En cuanto a las reglas sobre el alimento y la comida, debe evitarse: la comida obtenida de un Śūdra (esto es, no apta ritualmente para la propia observancia), la comida rancia o guardada, la comida ofrecida como naivedya, la comida vinculada a los ritos de śrāddha, la comida destinada a un banquete de grupo, la comida de distribución comunal y la comida de la mesa del rey. Tal continencia preserva la pureza para el culto a Śiva y afianza la disciplina del aspirante en el sendero donde el paśu es liberado del pāśa por la gracia de Pati.
Suta Goswami (narrating Shiva-dharma and vrata discipline to the sages at Naimisharanya)
It lays down āhāra-niyama (dietary restraints) to maintain ritual purity and inner steadiness, supporting effective Linga-puja and vrata observance.
Implicitly, Shiva is Pati—the liberating Lord—whose worship requires disciplined purity so that the Pashu (individual soul) can loosen Pāśa (bondage) through regulated conduct.
Vrata-based Shiva-puja supported by food-discipline (āhāra-śuddhi), a practical limb that stabilizes Pashupata-style sādhanā and preserves the sanctity of worship.