What does “counting ears in hamlet” refer to?

“Counting ears in Hamlet” usually refers to a literary-analysis exercise: tracking how often Shakespeare uses the words “ear,” “ears,” hearing, listening, and related imagery throughout the play. It matters because the ear is a major motif in Hamlet. King Hamlet is murdered by poison poured into his ear, while Denmark itself is metaphorically “poisoned” by Claudius’s lies—“the whole ear of Denmark” is deceived. Throughout the play, words, rumors, spying, overhearing, and deceptive speech repeatedly enter through people’s ears.

Scholars have literally counted these references. One account notes 25 occurrences of the word “ear” and at least 184 references to eyes, ears, seeing, and hearing in just the first two acts.

So “counting ears” can be somewhat literal: noticing an unusually frequent word and using that pattern to uncover one of Hamlet’s central ideas—language can function like poison, entering the mind through the ear.