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Mouse — Word History
- AUTHOR / EDITOR
- American Heritage Dictionary Editors
- YEAR
- 2026
- PUBLISHER
- HarperCollins
- DOI
- Not recorded
- SOURCE TYPE
- historical dictionary
- EXTERNAL RECORD
- OPEN ORIGINAL ↗
CONTRARIAN TRUTH CLAIMS
RANKED REVEALS THAT CITE THIS SOURCE
English mouse is not a Latin loan.
English mouse follows its inherited Germanic line while Latin mūs is a cognate branch. Their resemblance reflects common ancestry, not a direct Latin-to-English borrowing.
*mūs- → *mūs → mūs → mous → mouse
Germanic origin and cognatesPlaces English mouse in the inherited Germanic branch rather than deriving it from Latin.
SCHOLARLY DISAGREEMENT
DISPUTE POSITIONS THAT CITE THIS SOURCE
Was English mouse borrowed from Latin mūs?
No. Old English mūs continues a Germanic branch; Latin mūs is a cognate parallel branch.
Germanic origin and cognatesPlaces English mouse in the Germanic branch rather than deriving it from Latin.
CANONICAL RELATIONSHIP CLAIMS
EDGES THAT CITE THIS SOURCE
mouse → mous
Present-Day English → Middle English · continuation
- SOUND
- Middle English mous developed into modern mouse with the later spelling convention marking the diphthong.
- MEANING
- The central rodent meaning remained stable while transferred senses accumulated.
- SCHOLAR / EDITOR
- Merriam-Webster · American Heritage editors
Word Historymous → mūs
Middle English → Old English · inheritance
- SOUND
- Middle English mous continues Old English mūs.
- MEANING
- The inherited word retained the meaning “mouse.”
- SCHOLAR / EDITOR
- Merriam-Webster · American Heritage editors
Middle English mous from Old English mūsmūs → *mūs
Old English → Proto-Germanic · inheritance
- SOUND
- Old English mūs continues reconstructed Proto-Germanic *mūs, with cognates including German Maus and Dutch muis.
- MEANING
- The rodent meaning remained stable across the Germanic branch.
- SCHOLAR / EDITOR
- American Heritage Indo-European Roots · University of Texas LRC
Germanic origin and cognatesLEXICAL ATTESTATIONS
WITNESSES REPORTED BY THIS SOURCE
COMPARATIVE EVIDENCE
COGNATES, DESCENDANTS, AND RELATIVES
muis
DutchGermanic cognate
GEOGRAPHIC AND TEMPORAL CLAIMS
JOURNEY STAGES THAT CITE THIS SOURCE
Old English records
Confirms the recorded Old English form and its Germanic relatives on the direct English route.
Word History: Old English mūs · broadNON-GENEALOGICAL CONNECTIONS
HISTORICAL CONTEXT, KEPT SEPARATE
WORD-FAMILY REUSE
DOSSIERS THAT DEPEND ON THIS SOURCE
3 entry-scoped citations map reviewed dossier paths onto the canonical claims above.