Valmiki Ramayana Bala Kanda Sarga 33 Shloka 12
Original Shlokaतप्यन्तं तमृषिं तत्र गन्धर्वी पर्युपासते। सोमदा नाम भद्रं ते ऊर्मिला तनया तदा।।1.33.12।।
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तदा then, तत्र there, तप्यन्तम् him who was performing austerities, तम् ऋषिम् that Rishi, ऊर्मिला तनया daughter of Urmila, सोमदा नाम nymph named Somada, गन्धर्वी Gandharva maiden, पर्युपासते doing service, ते भद्रम् prosperity to you.
When he was performing austerities, a nymph named Somada, daughter of Urmila, used to serve him. Prosperity to you