Question

what is called ahimsa

Answer 1

Ahimsa is a sanskrit word which is also known as non-violence or non-injury

Answer 2

The word is derived from the Sanskrit root hiṃs – to strike; hiṃsā is injury or harm, a-hiṃsā is the opposite of this, i.e. cause no injury, do no harm. Ahimsa is also referred to as nonviolence, and it applies to all living beings—including all animals—in ancient Indian religions.