Valmiki Ramayana 2.44.30

आश्वासयन्ती विविधैश्च वाक्यै ।र्वाक्योपचारे कुशलानाद्या ।रामस्य ताम् मातरमेवमुक्त्वा ।देवी सुमित्राविरराम रामा॥

āśvāsayantī vividhaiśca vākyai |rvākyopacāre kuśalānādyā |rāmasya tām mātaramevamuktvā |devī sumitrāvirarāma rāmā ||

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