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phoneme

/ˈfoʊniːm/

Smallest contrastive sound unit in a language

From Greek phone (sound).

noun
phone
Ancient Greek
AI-inferred
φωνή (phōnḗ)
“sound, voice”; the source of the learned linguistic element phone
English
AI-inferred
phone
A learned borrowing meaning “speech sound”; separately, phone also became a clipping of telephone
-eme
Ancient Greek
Verified
φώνημα (phṓnēma)
“sound made, voice,” from φωνέω (phōnéō), “to sound”

from Ancient Greek φώνημα (phṓnēma, “sound”)

French
AI-inferred
-ème
A suffix meaning a linguistic unit or sound, abstracted from phonème
English
AI-inferred
-eme
A productive linguistic suffix meaning an identifiable unit
Combined
phoneme
English phoneme was borrowed from French phonème, ultimately Greek φώνημα; its modern analysis as phone + -eme is partly morphological and partly retrospective.
Modern English
phoneme
“

A phoneme is not quite a sound you can point to with a microphone; it is a sound category in the listener’s head. Swap the first sound in “pat” for “bat,” and English speakers hear a change of word, even though the actual sounds vary slightly from speaker to speaker. The first part reaches back to Greek φωνή, “voice” or “sound,” the same family that gives us phonetic, phonology, and telephone. The ending -eme was fashioned as a label for a linguistic unit, following French phonème, first recorded in English in 1889. So a phoneme is literally a “sound-unit”—a small mental filing cabinet into which a language places its many acoustic variations. Remember the trick: phones are the physical sounds, but phonemes are the sound categories that make words behave differently.

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