empiric (adj.) Look up empiric at Dictionary.com
c.1600, from Latin empiricus "a physician guided by experience," from Greek empeirikos "experienced," from empeiria "experience," from empeiros "skilled," from en "in" (see en- (2)) + peira "trial, experiment," from PIE *per- "to try, risk." Originally a school of ancient physicians who based their practice on experience rather than theory. Earlier as a noun (1540s) in reference to the sect, and earliest (1520s) in a sense "quack doctor" which was in frequent use 16c.-19c.