Underpinning(noun)
Something that supports or forms the basis of an argument, a claim, etc.
Hindi meaning:नया आधार लगाना
Synonyms: Foundation, Meat, Kernel, Core, Basis, Marrow
Example: The fact that it had a theoretical underpinning was true but essentially an element.
Trick to remember: Pin therapy ko kayi doctors underpinning karte h 
