Occurrences
Atharvaveda (Paippalāda)
AVP, 4, 1, 4.1 yena dyaur ugrā pṛthivī ca dṛḍhā yena sva stabhitaṃ yena nākaḥ /
AVP, 4, 1, 7.2 tatra devānām adhideva āsta ekasthūṇe vimite dṛḍha ugre //
AVP, 10, 4, 13.1 sapatnasāhaṃ pramṛṇam idaṃ rāṣṭraṃ dṛḍham ugram /