Etymology of vain

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

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  "templates": [
    {
      "name": "inh",
      "args": {
        "1": "en",
        "2": "enm",
        "3": "veyn"
      },
      "expansion": "Middle English veyn"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "fro",
        "3": "vain"
      },
      "expansion": "Old French vain"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "la",
        "3": "vānus",
        "4": "",
        "5": "empty"
      },
      "expansion": "Latin vānus (“empty”)"
    },
    {
      "name": "root",
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*h₁weh₂-"
      },
      "expansion": ""
    }
  ],
  "links": [
    [
      "veyn",
      "veyn#Middle_English"
    ],
    [
      "vain",
      "vain#Old_French"
    ],
    [
      "vānus",
      "vanus#Latin"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "adj",
      "glosses": [
        "Overly proud of oneself, especially concerning appearance; having a high opinion of one's own accomplishments with slight reason.",
        "Having no real substance, value, or importance; empty; void; worthless; unsatisfying.",
        "Effecting no purpose; pointless, futile.",
        "Showy; ostentatious."
      ],
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Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "verb",
      "glosses": [
        "To frustrate."
      ],
      "tags": [
        "dated",
        "obsolete",
        "rare",
        "transitive"
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