Valmiki Ramayana Yuddha Kanda Sarga 19 Shloka 33
Original Shlokaततश्चाख्यातुमारेभेविभीषणवचश्शुभम् । सुग्रीवोविपुलग्रीवोस्सागरस्योपवेशनम् ।।6.19.33।।
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ततः thereafter, विपुलग्रीवः broadnecked, सुग्रीवः Sugriva, विभीषणवचः Vibheeshana's words of advice, सागरस्य: about Sagara, उपवेशनम् sitting down, आख्यातुम् to make him know आरेभे: started.
Thereafter broadnecked Sugriva started to communicate to Rama the advice of Vibheeshana about Sagara.