Valmiki Ramayana Ayodhya Kanda Sarga 78 Shloka 20
Original Shlokaतैर्वाक्यैः परुषैर्दुःखैः कैकेयी भृशदुःखिता। शत्रुघ्नभयसन्त्रस्ता पुत्रं शरणमागता।।2.78.20।।
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कैकेयी Kaikeyi, परुषैः by harsh, दुःखैः by grievous, तैः वाक्यैः with those words, भृशदुःखिता extremely distressed, शत्रुघ्नभयसंत्रस्ता afraid of calamity from Satrughna, पुत्रम् son Bharata, शरणम् for protection, आगता reached.
Kaikeyi, deeply distressed at those harsh and grievous words was afraid of Satrughna and sought the protection of her son Bharata.