Valmiki Ramayana Yuddha Kanda Sarga 56 Shloka 30
Original Shlokaसवृक्षेणहतस्तेनसक्रोधेनमहात्मना । राक्षसोवानरेन्द्रेणपपातचममारच ।।6.56.30।।
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सक्रोधेन reacting in anger, महात्मना great self, तेनवानरेन्द्रेण by Vanara chief, वृक्षेण by the tree, हतः striking, सः he, राक्षसः Rakshasa, पपात fell, ममारच dead.
Reacting in anger the great Vanara chief struck the Rakshasa with a tree, by which the Rakshasa fell down dead.