There are no reference to the word "athimsa" anywhere.
If you are refering to "ahimsa" please follow the link below:
Link: http://en.wikipedia.org/wiki/Ahimsa
Ahimsa is a principle of non-violence and compassion toward all living beings in many Indian religions, particularly Jainism and Hinduism. It advocates for peaceful and harmonious interactions and promotes a mindset of kindness, empathy, and respect for life in all forms.