Canto 3 -
Araṇya-kāṇḍa
Chapter 67: Rāma Meets Jaṭāyu
Text 3.67.21
रक्षसा निहतं पूर्वं न मां हन्तुं त्वमर्हसि॥
rakṣasā nihataṁ pūrvaṁ na māṁ hantuṁ tvam arhasi
rakṣasā = the rākṣasa; nihatam = has slain me; pūrvam = already; na = not; mām = me; hantum = kill; tvam = You; arhasi = should.
You should not kill me! The rākṣasa has already slain me.