*SET-U

English word origin

Etymology of Ether

From Old French ether, from Latin aether (“the upper pure, bright air”), from Ancient Greek αἰθήρ (aithḗr, “upper air”), from αἴθω (aíthō, “to burn, shine”). Doublet of Aether.

2 source sectionsExtended source reportWiktionary original ↗
In this entry · 2 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 ↗
name

The god-personification of the bright, glowing upper air of heaven. He is the Roman counterpart of Aether.

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

From Old French ether, from Latin aether (“the upper pure, bright air”), from Ancient Greek αἰθήρ (aithḗr, “upper air”), from αἴθω (aíthō, “to burn, shine”). Doublet of Aether.

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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        "1": "en",
        "2": "fro",
        "3": "ether"
      },
      "expansion": "Old French ether"
    },
    {
      "name": "der",
      "args": {
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        "2": "la",
        "3": "aether",
        "4": "",
        "5": "the upper pure, bright air"
      },
      "expansion": "Latin aether (“the upper pure, bright air”)"
    },
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      "name": "der",
      "args": {
        "1": "en",
        "2": "grc",
        "3": "αἰθήρ",
        "4": "",
        "5": "upper air"
      },
      "expansion": "Ancient Greek αἰθήρ (aithḗr, “upper air”)"
    },
    {
      "name": "doublet",
      "args": {
        "1": "en",
        "2": "Aether"
      },
      "expansion": "Doublet of Aether"
    }
  ],
  "links": [
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      "ether",
      "ether#Old_French"
    ],
    [
      "aether",
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    ],
    [
      "αἰθήρ",
      "αἰθήρ#Ancient_Greek"
    ],
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      "αἴθω",
      "αἴθω#Ancient_Greek"
    ],
    [
      "Aether",
      "Aether#English"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
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      "glosses": [
        "The god-personification of the bright, glowing upper air of heaven. He is the Roman counterpart of Aether."
      ],
      "tags": [
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      ],
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}

Source etymology 2

Original entry ↗
noun

A unit of the Ethereum digital currency, ETH.

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

From Ethereum.

Inspect preserved source fields

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

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  "templates": [],
  "links": [
    [
      "Ethereum",
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    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "A unit of the Ethereum digital currency, ETH."
      ],
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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 Ether →

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
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Import run
73216b9a9b78ed3830994bf853103716f5a4dc57099e371e9f8fdc468facca26
Permanent entry ID
w-RXRoZXI