Valmiki Ramayana Yuddha Kanda Sarga 32 Shloka 21
Original Shlokaसंश्रुतंगृह्णतापाणिंचरिष्यामीतियत्त्वया । स्मरतन्ममकाकुत्स्थनयमामपिदुःखिताम् ।।6.32.21।।
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काकुत्स्थ Kakutstha, पाणिम् hand, गृह्णता while held, त्वया by you, चरिष्यामिइति will be with you, यत् likewise, संश्रुतम् promised, तत् that, स्मरनाम remember, दुःखितम् sad, मामपि me too, नय such a one.
"O Kakutstha! while you held my hand (at the time of marriage) you promised that you will be with me and likewise promised to take me, a (wretched one) with you to the other world. Remembering that I am sad."