Valmiki Ramayana 5.28.18

शोकाभितप्ता बहुधा विचिन्त्य सीता ऽथ वेण्युद्ग्रथनं गृहीत्वा ।उद्बध्य वेण्युद्ग्रथनेन शीघ्रमहं गमिष्यामि यमस्य मूलम्॥

śokābhitaptā bahudhā vicintya sītā 'tha veṇyudgrathanaṃ gṛhītvā |udbadhya veṇyudgrathanena śīghramahaṃ gamiṣyāmi yamasya mūlam ||

Our plain-language meaning of this verse is waiting for scholar review.