Mahabharata 2.28.35

तत उत्थाय हृष्टात्मा प्राञ्जलिः शिरसानतःपूजयामास माद्रेयः पावकं पुरुषर्षभः

tata utthāya hṛṣṭātmā prāñjaliḥ śirasānataḥpūjayāmāsa mādreyaḥ pāvakaṃ puruṣarṣabhaḥ

Our plain-language meaning of this verse is waiting for scholar review.