Rules of Purity (Shauca) — Rules of Purity (Śauca), Permissible Foods, and the Duties of the Householder and Forest-Dweller
नैकासने तथा स्थेयं सोदर्या परजायया तथैव स्यान्न मातुश्च तथा स्वदुहितुस्त्वपि
naikāsane tathā stheyaṃ sodaryā parajāyayā tathaiva syānna mātuśca tathā svaduhitustvapi
On ne doit pas s’asseoir sur le même siège avec sa propre sœur ni avec l’épouse d’un autre homme. De même, on ne doit pas le faire avec sa mère, ni avec sa propre fille.
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The verse enjoins restraint and clear boundaries in mixed-gender proximity, even with close female relatives, to protect modesty, prevent suspicion, and uphold household harmony (loka-saṅgraha).
This passage is not a pancalakṣaṇa core (sarga/pratisarga/vaṃśa/manvantara/vaṃśānucarita) item; it belongs to ancillary Purāṇic material—ācāra/dharma-nirdeśa (normative conduct).
Symbolically it represents mastery over indriyas (sense-restraint) and preservation of śīla (moral character), treating social space as a field requiring dharmic vigilance.