idio-

1.
a combining form meaning “proper to one,” “peculiar,” used in the formation of compound words:
idiomorphic.
Origin
< Greek, combining form of ídios (one's) own, personal, private, separate, distinct
British Dictionary definitions for idio-

idio-

combining form
1.
indicating peculiarity, isolation, or that which pertains to an individual person or thing: idiolect
Word Origin
from Greek idios private, separate
Word Origin and History for idio-

word-forming element meaning "one's own, personal, distinct," from Greek idio-, comb. form of idios "own, personal, private, one's own" (see idiom).

idio- in Medicine

idio- pref.

  1. One's own; private; personal: idiosyncrasy.

  2. Distinct; separate: idioventricular.