core-, coro-, cor- +
(Greek: pupil of the eye; kore, literally, "girl" to mean both "doll" and "pupil of the eye")
Related references to "eye" or "eye part" word families: blepharo-; corneo-; eye, eyes; irido-; lenti-, lens-; lenticulo-; ocelli-; oculo-; op-, -optic; ophthalmo-; phaco-; pupillo-; retino-; uveo-.