*SET-U

English word origin

Etymology of brunt

From Middle English brunt, bront (“sudden onset, attack, charge, blow”), from Old Norse brundr or brundtíð (“oestrus, rut”) (from Proto-Germanic *brunstiz), or bruna (“to rush”, literally “to advance like wildfire”) (see

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In this entry · 1 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.

Unnumbered source etymology

Original entry ↗
verb

To bear the brunt of; to weather or withstand. · To make a violent attack or charge.

noun

The full adverse effects; the chief consequences or negative results of a thing or event. · The force or shock of an attack in war. · The major part of something; the bulk. · A violent attack or charge in battle.

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

From Middle English brunt, bront (“sudden onset, attack, charge, blow”), from Old Norse brundr or brundtíð (“oestrus, rut”) (from Proto-Germanic *brunstiz), or bruna (“to rush”, literally “to advance like wildfire”) (see brenna).

Relationships mentioned by the source

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

This page abbreviates 2 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.

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      "args": {
        "1": "en",
        "2": "enm",
        "3": "brunt"
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      "expansion": "Middle English brunt"
    },
    {
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      "args": {
        "1": "en",
        "2": "non",
        "3": "brundr"
      },
      "expansion": "Old Norse brundr"
    },
    {
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      "args": {
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        "2": "gem-pro",
        "3": "*brunstiz"
      },
      "expansion": "Proto-Germanic *brunstiz"
    }
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      "brundr#Old_Norse"
    ],
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      "brundtíð",
      "brundtíð#Old_Norse"
    ],
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      "oestrus",
      "oestrus"
    ],
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      "rut"
    ],
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      "Reconstruction:Proto-Germanic/brunstiz"
    ],
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      "bruna#Old_Norse"
    ],
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      "brenna",
      "brenna#Old_Norse"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "verb",
      "glosses": [
        "To bear the brunt of; to weather or withstand.",
        "To make a violent attack or charge."
      ],
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      "pos": "noun",
      "glosses": [
        "The full adverse effects; the chief consequences or negative results of a thing or event.",
        "The force or shock of an attack in war.",
        "The major part of something; the bulk.",
        "A violent attack or charge in battle."
      ],
      "tags": [
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    "lexicalSenses": 2,
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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 brunt →

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-YnJ1bnQ