Valmiki Ramayana Ayodhya Kanda Sarga 77 Shloka 12
Original Shlokaउन्मत्त इव निश्चेता विललाप सुदुःखितः।।2.77.12।। स्मृत्वा पितुर्गुणाङ्गानि तानि तानि तथा तथा।
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पितुः father's, तानि तानि those respective ones, गुणाङ्गानि virtues resulting one from the other, तथा तथा again and again, स्मृत्वा recollecting, उन्मत्तः इव like a mad person, निश्चेताः becoming mentally unsteady, सुदुःखितः in profound sorrow, विललाप lamented.
Recollecting the many virtues of his father again and again, like a madman, Satrughna, mentally unsteady, lamented in profound sorrow.