Shiva Purana
तपस्तप्त्वाऽतिविपुलं पुरा रामो गिरौ मुने॥ शिवाद्धनुश्शरं चापं ज्ञानं वै परमुत्तमम् ॥ ५४॥
O sage, after performing a great penance on the mountain, Rāma secured from Śiva a bow and an arrow and the excellent knowledge.
english translation
tapastaptvA'tivipulaM purA rAmo girau mune॥ zivAddhanuzzaraM cApaM jJAnaM vai paramuttamam ॥ 54॥
hk transliteration by Sanscript