-iatric

word-forming element from Greek iatrikos "healing," from iatros "physician, healer" (related to iatreun "treat medically," and iasthai "heal, treat"); of uncertain origin, perhaps from iaomai "to cure," related to iaino "heat, warm, cheer," probably from a root meaning "enliven, animate."

Online Etymology Dictionary, © 2010 Douglas Harper

-iatric in Medicine

-iatric

suff.
  1. Of or relating to a specified kind of medical practice, treatment, or healing:geriatric.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.