Valmiki Ramayana Ayodhya Kanda Sarga 26 Shloka 31
Original Shlokaमाता च मम कौशल्या वृद्धा सन्तापकर्शिता। धर्ममेवाग्रतः कृत्वा त्वत्त स्सम्मानमर्हति।।2.27.31।।
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सन्तापकर्शिता emaciated due to grief, वृद्धा aged, मम माता च my mother, कौशल्या Kausalya, धर्ममेव duty only, अग्रतः कृत्वा placing ahead, त्वत्तः by you, सम्मानम् respect, अर्हति deserves.
You should give importance to duty(dharma) and show respect to my aged mother who is emaciated due to grief.