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START / NODE 118Present-Day English14th century–today

muscle

A body tissue or organ whose English name descends through French from Latin musculus, a diminutive of mūs “mouse.”

“A muscle was a “little mouse.” The Latin name compares the moving form beneath the skin to a mouse, although the exact visual mechanism is not securely fixed.”
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01
PARENT ROUTES1 REVIEWED RELATIONSHIP
EDGE 101CONTINUATIONESTABLISHED
SOUND CHANGE
Middle English muscle continued into modern English with regular orthographic and phonological development.
SEMANTIC CHANGE
The anatomical meaning remained central and later extended to strength and coercive power.
SCHOLAR
Merriam-Webster · American Heritage editors
CONFIDENCE
established
CHRONOLOGY
Merriam-Webster reports English muscle from the 14th century.
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