Valmiki Ramayana 1.43.25
मुहुर् ऊर्ध्व पथम् गत्वा पपात वसुधाम् पुनः ।तत् शंकर शिरो भ्रष्टम् भ्रष्टम् भूमि तले पुनः॥
muhur ūrdhva patham gatvā papāta vasudhām punaḥ |tat śaṃkara śiro bhraṣṭam bhraṣṭam bhūmi tale punaḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book