ततः then, तेषु those, पञ्चसु all the five, सेनापतिषु army chiefs, अवसन्नेषु when they died, वानरः vanara, तत् that, अवशेषम् remaining, बलम् army, नाशयामास destroyed.

When the five army chiefs were killed, Hanuman began to destoy the remaining army force.