Valmiki Ramayana Ayodhya Kanda Sarga 14 Shloka 9
Original Shlokaधर्मस्यैहाभिकामार्थं मम चैवाभिचोदनात्। प्रव्राजय सुतं रामं त्रिःखलु त्वां ब्रवीम्यहम्।।2.14.9।।
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इह in this matter, धर्मस्य of righteousness, अभिकामार्थम् fulfilling for the sake of, मम my, अभिचोदनाच्च urging you, सुतम् son, रामम् Rama, प्रव्राजय be exiled, त्वाम् to you, त्रिः thrice, अहम् I, अब्रवीमि am telling you.
You must uphold righteousness. I also urge you to do that. Send your son Rama to the forest. I am repeating this statememt thrice.