Valmiki Ramayana Aranya Kanda Sarga 53 Shloka 1
Original Shlokaखमुत्पतन्तं तं दृष्ट्वा मैथिली जनकात्मजा। दुःखिता परमोद्विग्ना भये महति वर्तिनी।।3.53.1।।
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जनकात्मजा Janaka's daughter, मैथिली Maithili, खम् into the sky, उत्पतन्तम् while flying, तम् Ravana, दृष्ट्वा seeing, परमोद्विग्ना agitated greatly, महति intense, भये fear, वर्तिनी became, दुःखिता miserable.
Sita, daughter of Janaka, princess of Mithila felt miserable, looking at Ravana taking off and got very much agitated out of fear. Sita reproaches Ravana--pleads, threatens Ravana with dire consequences.