Shiva Purana

siva.sh/siva-purana/saturda-samhita/37/63

नन्दीश्वर उवाच ।। इत्युक्त्वार्जुनमाहूयोपेन्द्रविद्यामुपादिशत् ।। स्नात्वा च प्राङ्मुखो भूत्वा जग्राहार्जुन उग्रधीः ।। ६३ ।।

sanskrit

Nandīśvara said:— After saying this he called Arjuna and instructed him in the lore of Indra. Arjuna had his ceremonial bath and facing the east, he, of powerful intellect, received the lore.

english translation

nandIzvara uvAca || ityuktvArjunamAhUyopendravidyAmupAdizat || snAtvA ca prAGmukho bhUtvA jagrAhArjuna ugradhIH || 63 ||

hk transliteration by Sanscript