*SET-U

English word origin

Etymology of affy

From Middle English affien (“to have faith, trust”), from Anglo-Norman afier, affier, affyer, Middle French afier, affier, affyer, and Old French afier (“to agree to marry; to believe, trust; to assure, promise; to confi

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 ↗
verb

To have faith in (someone); to trust. · Chiefly followed by that or to: to formally affirm or promise (something). · Chiefly of a man: to formally promise to marry (someone, chiefly a woman); to be engaged to; also, to marry (someone); to espouse. · Chiefly followed by to, unto, or with: often of a parent or guardian: to formally promise that (someone) be married to another person; to affiance, to betroth.

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

From Middle English affien (“to have faith, trust”), from Anglo-Norman afier, affier, affyer, Middle French afier, affier, affyer, and Old French afier (“to agree to marry; to believe, trust; to assure, promise; to confide in; to pledge, swear”), from Late Latin affidare (“to betroth; to pledge faith”), from Latin af- (a variant of ad- (intensifying prefix)) + Vulgar Latin *fīdāre (“to trust”) (from Latin fidēre, the present active infinitive of fīdō (“to put confidence in, trust; to rely upon”), ultimately from Proto-Indo-European *bʰeydʰ- (“to convince; to trust”)).

Relationships mentioned by the source

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

  • Root classification mention*bʰeydʰ-ine-pro
  • Inherited-form mentionaffienenm · to have faith, trust
  • Derivation mentionafierfrm
  • Derivation mentionafierfro · to agree to marry; to believe, trust; to assure, promise; to confide in; to pledge, swear
  • Derivation mentionaf-la
  • Derivation mentionfidērela
  • Derivation mention*bʰeydʰ-ine-pro · to convince; to trust

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.

{
  "templates": [
    {
      "name": "root",
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*bʰeydʰ-"
      },
      "expansion": ""
    },
    {
      "name": "inh",
      "args": {
        "1": "en",
        "2": "enm",
        "3": "affien",
        "t": "to have faith, trust"
      },
      "expansion": "Middle English affien (“to have faith, trust”)"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "xno",
        "3": "afier"
      },
      "expansion": "Anglo-Norman afier"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "frm",
        "3": "afier"
      },
      "expansion": "Middle French afier"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "fro",
        "3": "afier",
        "t": "to agree to marry; to believe, trust; to assure, promise; to confide in; to pledge, swear"
      },
      "expansion": "Old French afier (“to agree to marry; to believe, trust; to assure, promise; to confide in; to pledge, swear”)"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "la-lat",
        "3": "affidare",
        "t": "to betroth; to pledge faith"
      },
      "expansion": "Late Latin affidare (“to betroth; to pledge faith”)"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "la",
        "3": "af-"
      },
      "expansion": "Latin af-"
    },
    {
      "name": "lg",
      "args": {
        "1": "intensifying"
      },
      "expansion": "intensifying"
    },
    {
      "name": "lg",
      "args": {
        "1": "prefix"
      },
      "expansion": "prefix"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "la-vul",
        "3": "*fīdāre",
        "t": "to trust"
      },
      "expansion": "Vulgar Latin *fīdāre (“to trust”)"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "la",
        "3": "fidēre"
      },
      "expansion": "Latin fidēre"
    },
    {
      "name": "lg",
      "args": {
        "1": "present"
      },
      "expansion": "present"
    },
    {
      "name": "lg",
      "args": {
        "1": "active"
      },
      "expansion": "active"
    },
    {
      "name": "lg",
      "args": {
        "1": "infinitive"
      },
      "expansion": "infinitive"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*bʰeydʰ-",
        "t": "to convince; to trust"
      },
      "expansion": "Proto-Indo-European *bʰeydʰ- (“to convince; to trust”)"
    }
  ],
  "links": [
    [
      "affien",
      "affien#Middle_English"
    ],
    [
      "afier",
      "afier#Old_French"
    ],
    [
      "affier",
      "affier#Old_French"
    ],
    [
      "affyer",
      "affyer#Old_French"
    ],
    [
      "afier",
      "afier#Middle_French"
    ],
    [
      "affier",
      "affier#Middle_French"
    ],
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      "affyer",
      "affyer#Middle_French"
    ],
    [
      "afier",
      "afier#Old_French"
    ],
    [
      "affidare",
      "affidare#Latin"
    ],
    [
      "af-",
      "af-#Latin"
    ],
    [
      "ad-",
      "ad-#Latin"
    ],
    [
      "*fīdāre",
      "Reconstruction:Latin/fidare"
    ],
    [
      "fidēre",
      "fidere#Latin"
    ],
    [
      "fīdō",
      "fido#Latin"
    ],
    [
      "*bʰeydʰ-",
      "Reconstruction:Proto-Indo-European/bʰeydʰ-"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "verb",
      "glosses": [
        "To have faith in (someone); to trust.",
        "Chiefly followed by that or to: to formally affirm or promise (something).",
        "Chiefly of a man: to formally promise to marry (someone, chiefly a woman); to be engaged to; also, to marry (someone); to espouse.",
        "Chiefly followed by to, unto, or with: often of a parent or guardian: to formally promise that (someone) be married to another person; to affiance, to betroth."
      ],
      "tags": [
        "obsolete",
        "transitive"
      ],
      "recordId": "556b4e827854e9bb70c76bc1bdfbac6e09266e735c6adfdbc51e2a2dddec8f3b",
      "rawRecordSha256": "d39b91d13453af8df431313f7c505ac0bd7d918c5b369b579926006e85a2de63",
      "sourceRecordOrdinal": 1355096
    }
  ],
  "omittedAuxiliaryFields": {
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    "lexicalRecords": 0,
    "lexicalSenses": 2,
    "glosses": 0
  }
}

Source etymology 2

Original entry ↗
noun

An affidavit to be signed by a contest winner to confirm eligibility.

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

Shortening of affidavit.

Inspect preserved source fields

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

{
  "templates": [],
  "links": [
    [
      "affidavit",
      "affidavit#English"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "An affidavit to be signed by a contest winner to confirm eligibility."
      ],
      "tags": [
        "obsolete",
        "slang"
      ],
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  "omittedAuxiliaryFields": {
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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 affy →

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-YWZmeQ