Shiva Purana
अथोपमन्युरानन्दसमुद्रोर्मिभिरावृतः ॥ पपात दण्डवद्भूमौ भक्तिनम्रेण चेतसा ॥ ४८॥
Then Upamanyu was swept by the waves of the ocean of delight and he prostrated on the ground like a staff, with his mind humble with devotion.
english translation
athopamanyurAnandasamudrormibhirAvRtaH ॥ papAta daNDavadbhUmau bhaktinamreNa cetasA ॥ 48॥
hk transliteration by Sanscript