Valmiki Ramayana Yuddha Kanda Sarga 73 Shloka 27
Original Shlokaसोऽस्त्रमाहारयामासब्राह्ममिन्द्ररिपुस्तदा ।।6.73.27।। धनुश्चात्मरथंचैवसर्वंतत्राभ्यमन्त्रयत् ।
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अस्त्ररिपुः enemy of weapons, सः he, ब्राह्मम् Brahma's, इन्द्रम् weapon, आहारयामास invoked, तत्र there, धनुश्च bow, आत्मरथंचैव his own chariot also, सर्वम् all, अभ्यमन्त्रयत् charged with invocation of Brahma.
He, with whom weapons are adept invoked weapon presided over by Brahma and charged his own chariot with it.