Valmiki Ramayana Yuddha Kanda Sarga 41 Shloka 79
Original Shlokaअहत्वांराघवोरामःकौसल्यानन्दवर्धनः । निष्पत्यप्रतियुध्यस्वनृशंस पुरुषोभव ।।6.41.79।।
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राघवः Raghava, कौसल्यानन्दवर्धनः enhancer of happiness of Kausalya (Rama), रामः Rama, त्वाम् to you, आह you, नृशंस ruthless, निष्पत्य sallying forth, युध्यस्व in combat, पुरुषः man, भव to me.
"Raghava, the enhancer of the happiness of Kausalya speaks to you. Ruthless Rakshasa! Sallying forth, get ready for combat."