Merriam-Webster's Collegiate® Dictionary, 11th Edition
PUPIL
I. noun
Etymology: Middle English pupille minor ward, from Anglo-French, from Latin pupillus male ward (from diminutive of pupus boy) & pupilla female ward, from diminutive of pupa girl, doll
Date: 1536
a child or young person in school or in the charge of a tutor or instructor ; student , one who has been taught or influenced by a famous or distinguished person,
II. noun
Etymology: Middle French pupille, from Latin pupilla, from diminutive of pupa doll; from the tiny image of oneself seen reflected in another's eye
Date: 1567
the contractile aperture in the iris of the eye, pupillary adjective