*SET-U

English word origin

Etymology of bat

Variant of Middle English bakke, of North Germanic origin (akin to Danish aftenbakke and Swedish nattbacka, both now dialectal). Swedish also has nattblacka, and Icelandic has leðurblaka, in which the second element is a

5 source sectionsExtended source reportWiktionary original ↗
In this entry · 5 source sections

The source etymologies

Wiktionary via Kaikki / Wiktextract

The source reports below are imported and unreviewed by *SET-U. Separate numbered origins and differing source variants are preserved; agreement within this extraction is not independent corroboration.

Source etymology 1

Original entry ↗
noun

Any flying mammal of the order Chiroptera, usually small and nocturnal, insectivorous or frugivorous. · An old woman.

Selected source glosses provide context, not a complete modern definition inventory

Variant of Middle English bakke, of North Germanic origin (akin to Danish aftenbakke and Swedish nattbacka, both now dialectal). Swedish also has nattblacka, and Icelandic has leðurblaka, in which the second element is a derivative of blaka (“to flap”), but it is unclear whether this word is also the source of bakke, backa, etc.

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

{
  "templates": [
    {
      "name": "ety",
      "args": {
        "1": "en",
        "id": "flying mammal"
      },
      "expansion": ""
    },
    {
      "name": "taxlink",
      "args": {
        "1": "Pteropus mariannus",
        "2": "species"
      },
      "expansion": "Pteropus mariannus"
    },
    {
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      "args": {
        "1": "en",
        "2": "Q28425"
      },
      "expansion": "etymology 1, noun sense 1"
    },
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      "name": "inh",
      "args": {
        "1": "en",
        "2": "enm",
        "3": "bakke"
      },
      "expansion": "Middle English bakke"
    },
    {
      "name": "der",
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        "1": "en",
        "2": "gmq"
      },
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    },
    {
      "name": "cog",
      "args": {
        "1": "da",
        "2": "aftenbakke"
      },
      "expansion": "Danish aftenbakke"
    },
    {
      "name": "cog",
      "args": {
        "1": "sv",
        "2": "nattbacka"
      },
      "expansion": "Swedish nattbacka"
    },
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        "id": "flying mammal"
      },
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    }
  ],
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      "bakke",
      "bakke#Middle_English"
    ],
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      "aftenbakke",
      "aftenbakke#Danish"
    ],
    [
      "nattbacka",
      "nattbacka#Swedish"
    ],
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      "nattblacka",
      "nattblacka#Swedish"
    ],
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      "leðurblaka",
      "leðurblaka#Icelandic"
    ],
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      "blaka",
      "blaka#Old_Norse"
    ]
  ],
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Source etymology 2

Original entry ↗
noun

A club, made of wood like a baseball bat or otherwise, used as a weapon · A club made of wood or aluminium used for striking the ball in sports such as baseball, softball and cricket. · A turn at hitting the ball with a bat in a game. · A player rated according to skill in batting.

Selected source glosses provide context, not a complete modern definition inventory

Etymology tree Proto-Indo-European *bʰedʰh₂-der.? Celticder.? Old English batt Old French batteinflu. Middle English bat English bat From Middle English bat, batte, from Old English batt (“bat, club, cudgel”), probably of Celtic origin, compare Old Breton bath (“club, cudgel”) and modern Breton bazh (“swagger stick”), ultimately from a derivative of Proto-Indo-European *bʰedʰh₂- (“to strike, beat, pierce”), similar to the Gaulish source of Latin battuō (“to beat, pound”).

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

This page abbreviates 11 auxiliary source items. The etymology narrative is not shortened. Omission counts are available in the audit fields below; consult the original for complete auxiliary material.

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

{
  "templates": [
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      "name": "senseno",
      "args": {
        "1": "en",
        "2": "club"
      },
      "expansion": "etymology 2, noun sense 2"
    },
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      },
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    },
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      },
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    },
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    },
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      },
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    },
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      },
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    },
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      "name": "cog",
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        "2": "battuō",
        "3": "",
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      },
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    },
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  ],
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      "*bʰedʰh₂-",
      "Reconstruction:Proto-Indo-European/bʰedʰh₂-"
    ],
    [
      "batt",
      "batt#Old_English"
    ],
    [
      "batte",
      "batte#Old_French"
    ],
    [
      "bat",
      "bat#Middle_English:_club"
    ],
    [
      "bat",
      "bat#Middle_English"
    ],
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      "batte",
      "batte#Middle_English"
    ],
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      "batt",
      "batt#Old_English"
    ],
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      "bath",
      "bath#Old_Breton"
    ],
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      "bazh#Breton"
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    ],
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      "battuō",
      "battuo#Latin"
    ]
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        "A club made of wood or aluminium used for striking the ball in sports such as baseball, softball and cricket.",
        "A turn at hitting the ball with a bat in a game.",
        "A player rated according to skill in batting."
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Source etymology 3

Original entry ↗
verb

To hit with a bat or (figuratively) as if with a bat. · To take a turn at hitting a ball with a bat in sports like cricket, baseball and softball, as opposed to fielding. · To strike or swipe as though with a bat. · To bate or flutter, as a hawk.

Selected source glosses provide context, not a complete modern definition inventory

From Middle English batten, baten (“to beat”), from Old French batre (“to beat”), from Late Latin battere, from Latin battuere, of uncertain origin; perhaps of Germanic or Celtic origin. In modern English reinterpreted as a verbal derivative of Etymology 2. Compare batter, battery.

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

  • Inherited-form mentionbatenenm
  • Derivation mentionbatrefro
  • Derivation mentionbattuola
Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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      },
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Source etymology 4

Original entry ↗
verb

To flutter. · To wink. · To flit quickly from place to place.

Selected source glosses provide context, not a complete modern definition inventory

Possibly a variant of bate.

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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Source etymology 5

Original entry ↗
noun

A packsaddle.

Selected source glosses provide context, not a complete modern definition inventory

Borrowed from French bât, from Old French bast, from Vulgar Latin *bastum, form of *bastāre (“to carry”), from Ancient Greek βαστάζω (bastázō, “to lift, carry”). Doublet of baton and baston.

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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Where this record stops

This page does not supply an independently verified sound-change sequence, first-use manuscript or complete family tree unless a cited analysis explicitly establishes one. Missing detail here is a limit of this record—not a claim that humanity knows nothing more.

An older meaning does not determine what a word must mean today. Follow the sources, preserve disagreements, and keep ancestry separate from interpretation.

Contribute located evidence for bat →

Source and snapshot

Imported from Wiktionary contributors; extracted by Tatu Ylonen / Wiktextract / Kaikki.org. Selected fields are reformatted and grouped; wording, source identity and etymology sections are retained. CC-BY-SA-4.0 applies to the imported source material.

Dump: 2026-10-01 · Extracted: 2026-10-30. These are snapshot dates, not the word’s first attestation or the page’s revision date.

Source entry and bibliography ↗Wiktionary revision history ↗Acquisition and rights ledger
Machine-source provenance
Source SHA-256
5ff2c072f8099f2d2ce484bd6957bf179f046d2ad37bc36555edf8bb84cb5291
Import run
73216b9a9b78ed3830994bf853103716f5a4dc57099e371e9f8fdc468facca26
Permanent entry ID
w-YmF0