muscle
a mussel
- SOUND
- Modern mussel replaces Middle English muscle; American Heritage says the current spelling was perhaps influenced by Dutch mossel.
- MEANING
- The mollusk meaning remained stable while spelling separated it from anatomical muscle.
- CHRONOLOGY
- The changed spelling is post-Middle English.
- 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.