Valmiki Ramayana 5.42.30

हनुमानपि तेजस्वी श्रीमान् पर्वतसन्निभिः ।क्षितावाविध्य लांगूलं ननाद च महास्वनम्॥

hanumānapi tejasvī śrīmān parvatasannibhiḥ |kṣitāvāvidhya lāṃgūlaṃ nanāda ca mahāsvanam ||

Our plain-language meaning of this verse is waiting for scholar review.