Canto 2 -
Ayodhyā-kāṇḍa
Chapter 102: Rāma Performs Śrāddha for King Daśaratha
Text 2.102.40
सा भूमिर्बहुभिर्यानैः खुरनेमिसमाहता।
मुमोच तुमुलं शब्दं द्यौरिवाभ्रसमागमे।।
sā bhūmir bahubhir yānaiḥ khura-nemi-samāhatā
mumoca tumulaṁ śabdaṁ dyaur ivābhra-samāgame
sā bhūmiḥ = when the earth; bahubhiḥ = of many; yānaiḥ = vehicles; khura-nemi-samāhatā = was struck by the hooves and felloes; mumoca = it produced; tumulam = a tumultuous; śabdam = sound; dyauḥ iva = like the sky; abhra-samāgame = upon the arrival of clouds.
When the earth was struck by the hooves and felloes of many vehicles, it produced a tumultuous sound like the sky upon the arrival of clouds.