Valmiki Ramayana 6.76.42
मैन्दस्तु भ्रातरं दृष्ट्वा भग्नं तत्र महाहवे।अभिदुद्राव वेगेन प्रगृह्य महतीं शिलाम्॥
maindastu bhrātaraṃ dṛṣṭvā bhagnaṃ tatra mahāhave |abhidudrāva vegena pragṛhya mahatīṃ śilām ||
Our plain-language meaning of this verse is waiting for scholar review.