Valmiki Ramayana Yuddha Kanda Sarga 113 Shloka 20
Original Shlokaदिनिर्यातितातेस्वासतीतारामायमैथिली ।।6.113.20।। ननस्स्याद्व्यसनंघोरमिदंमूलहरंमहत् ।
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मैतिली Mythili, सीता Sita, ते to you, रामाय Rama's, निर्यातिता returned, यदिस्यात् if so with you, नः not, मूलहरम् destruction of the very root, इदम् this, महत् great, घोरम् terrific, व्यसनम् calamity, न स्यात् not happened
"If Sita, princess of Mithila had been returned by you, this great destruction of the very root and calamity with you and for us would not have happened."