Where Does the Word Nabard Originate?

A comment added anonymously to a post earlier asked where the term Nabard originates. As per the comment, the acronym for the National Bank for Agriculture Development in Inda is NABARD. However, Nabard is also the traditional Persian martial practice. For more information, follow this link (http://www.nabardcombatsystem.com) which will take you to the official Nabard Combat System website where the brief quote below can be found within the history section.

"The Persians have a notable fighting practice known as Nabard, an exotic art of combat. The word 'nabard' (loosely translated as 'combat') was the term used to refer to traditional Persian martial practice."