Shiva Purana
शिवोऽपि मनसा नूनं दयां कृत्वार्जुनं ह्यगात् ॥ अर्जुनश्च दृढं तत्र प्रहारं कृतवांस्तदा ॥ ६ ॥
Taking pity on him Śiva approached Arjuna, but Arjuna hit him heavily.
english translation
zivo'pi manasA nUnaM dayAM kRtvArjunaM hyagAt ॥ arjunazca dRDhaM tatra prahAraM kRtavAMstadA ॥ 6 ॥
hk transliteration by Sanscript