iatro-

1.
a combining form meaning “healer,” “medicine,” “healing,” used in the formation of compound words:
iatrogenic.
Origin
< Greek, combining form of iātrós healer, equivalent to iâ(sthai) to heal + -tros noun suffix
Word Origin and History for iatro-

word-forming element meaning "physician, medicine, healing," from Greek iatro-, comb. form of iatros "healer, physician" (see -iatric).