Valmiki Ramayana 2.34.30
रुदन्नाह प्रियम् पुत्रं सत्यपाशेन संयतः ।कैकेय्या चोद्यमान्स्तु मिथो राजा तमब्रवीत्॥
rudannāha priyam putraṃ satyapāśena saṃyataḥ |kaikeyyā codyamānstu mitho rājā tamabravīt ||
Our plain-language meaning of this verse is waiting for scholar review.