"warn" meaning in Middle English

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "verb form"
      },
      "expansion": "warn",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "weren"
        }
      ],
      "glosses": [
        "Alternative form of weren"
      ],
      "id": "en-warn-enm-verb-39syCyd8",
      "links": [
        [
          "weren",
          "weren#Middle_English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "warn"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "verb"
      },
      "expansion": "warn",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "wernen"
        }
      ],
      "categories": [],
      "examples": [
        {
          "ref": "1485, Sir Thomas Malory, “xj”, in Le Morte Darthur, book XVI:",
          "text": "And yf thou warne her loue she shalle goo dye anone yf thou haue no pyte on her / that sygnefyeth the grete byrd / the whiche shalle make the to warne her",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of wernen"
      ],
      "id": "en-warn-enm-verb-PtaI5-mI",
      "links": [
        [
          "wernen",
          "wernen#Middle_English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "warn"
}

{
  "categories": [
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English non-lemma forms",
    "Middle English verb forms",
    "Middle English verbs",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "verb form"
      },
      "expansion": "warn",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "weren"
        }
      ],
      "glosses": [
        "Alternative form of weren"
      ],
      "links": [
        [
          "weren",
          "weren#Middle_English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "warn"
}

{
  "categories": [
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English verbs",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "verb"
      },
      "expansion": "warn",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "wernen"
        }
      ],
      "categories": [
        "Middle English terms with quotations",
        "Requests for translations of Middle English quotations"
      ],
      "examples": [
        {
          "ref": "1485, Sir Thomas Malory, “xj”, in Le Morte Darthur, book XVI:",
          "text": "And yf thou warne her loue she shalle goo dye anone yf thou haue no pyte on her / that sygnefyeth the grete byrd / the whiche shalle make the to warne her",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of wernen"
      ],
      "links": [
        [
          "wernen",
          "wernen#Middle_English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "warn"
}