अन्तर्गृहगतः स्थविरस्त्रीपरिशुद्धां देवीं पश्येत् ॥ कZ_०१.२०.१४ ॥
antargṛhagataḥ sthavirastrīpariśuddhāṃ devīṃ paśyet
Only from within the inner apartments should one see the queen, after she has been checked/attended by elderly women (as a purity and security screen).
They are presumed less susceptible to seduction-based subversion and are socially positioned to supervise intimate spaces, making them suitable for trusted screening roles.