Valmiki Ramayana Ayodhya Kanda Sarga 52 Shloka 63
Original Shlokaएष मे प्रथमः कल्पो यदम्बा मे यवीयसी। भरतारक्षितं स्फीतं पुत्रराज्यमवाप्नुयात्।।2.52.63।।
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एषः this is, मे my, प्रथमः prime, कल्पः resolve, यत् that, मे my, यवीयसी younger, अम्बा mother, भरतारक्षितम् ruled by Bharata, स्फीतम् prosperous, पुत्रराज्यम् son's kingdom, अवाप्नुयात् will receive.
My prime resolve is that my younger mother should enjoy this prosperous and vast kingdom ruled by her son Bharata.