Valmiki Ramayana Yuddha Kanda Sarga 44 Shloka 26

समन्ततः all over, प्रवृद्धेन risen, महता huge, तेन by that, शब्देन sound, कन्धराकीर्णः groups of caves, त्रिकूटःअचलः Trikuta mountain, प्रव्याहरदिव responded as if it was someone's call.

Resounding with the sound rising all over the caves of Trikuta mountain echoed and it looked as if the mountain was responding to someone's call.