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START / NODE 125Present-Day Englishbefore the 12th century–today

mussel

A bivalve mollusk whose English history runs through Middle English muscle and Old English muscelle into the same Latin mouse family as muscle.

“Mussel and muscle were once both spelled muscle in English, and both ultimately belong to Latin's mouse-derived musculus family.”
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01
PARENT ROUTES1 REVIEWED RELATIONSHIP
EDGE 107ALTERATIONPROBABLE
SOUND CHANGE
Modern mussel replaces Middle English muscle; American Heritage says the current spelling was perhaps influenced by Dutch mossel.
SEMANTIC CHANGE
The mollusk meaning remained stable while spelling separated it from anatomical muscle.
SCHOLAR
American Heritage · Merriam-Webster editors
CONFIDENCE
probable — Descent from Middle English muscle is secure; Dutch influence on the modern spelling is possible rather than established.
CHRONOLOGY
The changed spelling is post-Middle English.
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