Valmiki Ramayana Sundara Kanda Sarga 35 Shloka 82
Original Shlokaतस्याहं हरिणः क्षेत्रे जातो वातेन मैथिलि। हनुमानिति विख्यातो लोके स्वेनैव कर्मणा।।5.35.82।।
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मैथिलि Mythili, अहम् I, तस्य his, हरिणः monkey's, क्षेत्रे in the land, वातेन by the Windgod, जातः born, स्वेन कर्मणा एव by my own act, लोके by people, हनुमानिति Hanuman, विख्यातः came to be known.
"O Mythili I was born in that land retrieved by the Windgod. I am known as Hanuman by virtue of my own action.