आत्मरक्षा (Hindi) comes from Hindi रक्षा, from Sanskrit रक्षा, from Sanskrit रक्ष्, from Proto-Indo-Aryan Hrakṣ-, from Proto-Indo-Iranian Hrakš-, from Proto-Indo-European h₂lek- — to protect.
आत्मरक्षा (Hindi): self-defense, self-protection