pupil etymology

Etymology

The word "pupil" comes from the Latin word "pupilla," which originally meant "the little doll" or "the little girl." The word "pupil" was first used to refer to the dark central part of the eye in the 16th century.

Meaning

The pupil of the eye is the black or dark-colored circular opening in the center of the iris. It is the opening through which light enters the eye. The pupil is controlled by the muscles of the iris, which can change the size of the pupil to regulate the amount of light that enters the eye.

Origin

The origin of the word "pupil" is thought to be from the fact that the pupil reflects a small image of the person or object in front of the eye. This image is called the "Purkinje image" and it is named after the Czech scientist who first described it in 1823.

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