Mahabharata 6.103.54

प्रविश्य च तदा भीष्मं शिरोभिः प्रतिपेदिरेपूजयन्तो महाराज पाण्डवा भरतर्षभप्रणम्य शिरसा चैनं भीष्मं शरणमन्वयुः

praviśya ca tadā bhīṣmaṃ śirobhiḥ pratipedirepūjayanto mahārāja pāṇḍavā bharatarṣabhapraṇamya śirasā cainaṃ bhīṣmaṃ śaraṇamanvayuḥ

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