Valmiki Ramayana Yuddha Kanda Sarga 114 Shloka 2
Original Shlokaदशग्रीवंहतंदृष्टवारामेणाचिन्त्यकर्मणा । पतिंमण्डोदरीतत्रकृपणापर्यदेवयत् ।।6.114.2।।
1 source checked for this shloka
अचिन्त्यकर्मणा of inconceivable exploits, रामेण by Rama, हतम् killed, पतिम् husband, दशग्रीवम् ten headed Ravana, दृष्टवा looking, मण्डोदरी Mandodari, तत्र there, कृपणा piteously, पर्यदेवयत् lamented there
Looking at her husband Ravana killed by Rama of inconceivable exploits, Mandodari piteously lamented there.