"small hole," late 14c., oilet, from Old French oeillet, diminutive of oeil "eye," from Latin oculus "an eye" (from PIE root *okw- "to see"). Spelling later modified by influence of eye (n.).
-eyed
eye-drop
eyeful
eyehole
eyelash
eyelet
eyelid
eye-liner
eyelss
eye-opener
eye-piece