Dictionary.com
Thesaurus.com

prana

American  
[prah-nuh] / ˈprɑ nə /

noun

  1. Yoga, Jainism. the vital principle.

  2. Yoga. one of five vital breaths moving in the body.


prana British  
/ ˈpranə /

noun

  1. (in Oriental medicine, martial arts, etc) cosmic energy believed to come from the sun and connecting the elements of the universe

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of prana

First recorded in 1820–30, prana is from the Sanskrit word prāṇa breath