Adhyaya 89: शौचाचारलक्षणम् — सदाचार, भैक्ष्यचर्या, प्रायश्चित्त, द्रव्यशुद्धि, आशौच-निर्णय
केवलं द्वादशाहेन क्षत्त्रियाणां द्विजोत्तमाः नाभिषिक्तस्य चाशौचं संप्रमादेषु वै रणे
kevalaṃ dvādaśāhena kṣattriyāṇāṃ dvijottamāḥ nābhiṣiktasya cāśaucaṃ saṃpramādeṣu vai raṇe
噢,二次生者中之最胜者!刹帝利之不净期仅十二日。又,未受灌顶(abhiṣeka)而未即王位者,若于战阵中因意外而死,则无不净。
Suta Goswami (narrating to the sages of Naimisharanya)
It sets dharmic boundaries for ritual eligibility—clarifying when a devotee (pashu) may resume Shiva-puja after death-related impurity, and noting special exceptions connected to battle.
Indirectly: Shiva-tattva is approached through disciplined observance of purity rules; the verse frames purity as a practical aid for worship, not as Shiva’s limitation—Pati remains ever pure while the pashu follows niyamas to remove pasha-like obstructions.
Ritual discipline (niyama) concerning aśauca—timelines and exceptions that affect formal acts like abhiṣeka, mantra-japa, and temple/linga service.