Valmiki Ramayana Yuddha Kanda Sarga 129 Shloka 17
Original Shlokaचतुर्दशसहस्राणिजनस्तान्निवासिनाम् ।।6.129.17।। हतानिवसतातत्रराघवेणमहात्मना ।
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तत्र there, वसता lived, महात्मना great soul, राघवेण Raghava, जनस्थान्निवासिनाम् while living at Janasthana, चतुर्दश fourteen, सहस्राणि thousand, हतानि killed
"While the great soul Rama lived at Janasthana, he killed fourteen thousand ogres".