Valmiki Ramayana Ayodhya Kanda Sarga 25 Shloka 5
Original Shlokaयानि दत्तानि तेऽस्त्राणि विश्वामित्रेण धीमता। तानि त्वामभिरक्षन्तु गुणैस्समुदितं सदा।।2.25.5।।
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धीमता by the sagacious, विश्वामित्रेण by Viswamitra, ते to you, यानि अस्त्राणि those weapons, दत्तानि were bestowed, तानि they, गुणैः with (mantric) qualities, समुदितम् endowed, त्वाम् you, सदा always, अभिरक्षन्तु may protect.
May the weapons endowed with mantric qualities, which were bestowed on you by sagacious Viswamitra always protect you