"must" meaning in Middle English

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "must"
          },
          "expansion": "English: must",
          "name": "desc"
        }
      ],
      "text": "English: must"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "ang",
        "3": "must"
      },
      "expansion": "Old English must",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "fro",
        "3": "must"
      },
      "expansion": "Old French must",
      "name": "bor"
    },
    {
      "args": {
        "1": "enm",
        "2": "la",
        "3": "mustum"
      },
      "expansion": "Latin mustum",
      "name": "der"
    }
  ],
  "etymology_text": "From Old English must and Old French must, most, both from Latin mustum.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "nouns",
        "g": "",
        "g2": "",
        "g3": "",
        "head": "",
        "sort": ""
      },
      "expansion": "must",
      "name": "head"
    },
    {
      "args": {
        "1": "-"
      },
      "expansion": "must (uncountable)",
      "name": "enm-noun"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "80 20",
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "81 19",
          "kind": "topical",
          "langcode": "enm",
          "name": "Wine",
          "orig": "enm:Wine",
          "parents": [
            "Alcoholic beverages",
            "Beverages",
            "Recreational drugs",
            "Drinking",
            "Food and drink",
            "Liquids",
            "Drugs",
            "Human behaviour",
            "All topics",
            "Matter",
            "Pharmacology",
            "Human",
            "Fundamental",
            "Chemistry",
            "Nature",
            "Biochemistry",
            "Medicine",
            "Sciences",
            "Biology",
            "Healthcare",
            "Health",
            "Body"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "must (wine that is not fully fermented)"
      ],
      "id": "en-must-enm-noun-nsM9Clwv",
      "links": [
        [
          "must",
          "must#English"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "fruit juice"
      ],
      "id": "en-must-enm-noun-ZC0wR0TF",
      "links": [
        [
          "fruit",
          "fruit"
        ],
        [
          "juice",
          "juice"
        ]
      ],
      "raw_glosses": [
        "(rare, with qualifier) fruit juice"
      ],
      "raw_tags": [
        "with qualifier"
      ],
      "tags": [
        "rare",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/must/"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "most"
    },
    {
      "_dis1": "0 0",
      "word": "moste"
    },
    {
      "_dis1": "0 0",
      "word": "moust"
    },
    {
      "_dis1": "0 0",
      "word": "muste"
    }
  ],
  "word": "must"
}

{
  "categories": [
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English nouns",
    "Middle English terms borrowed from Old French",
    "Middle English terms derived from Latin",
    "Middle English terms derived from Old English",
    "Middle English terms derived from Old French",
    "Middle English terms inherited from Old English",
    "Middle English uncountable nouns",
    "Pages with 13 entries",
    "Pages with entries",
    "enm:Wine"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "must"
          },
          "expansion": "English: must",
          "name": "desc"
        }
      ],
      "text": "English: must"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "ang",
        "3": "must"
      },
      "expansion": "Old English must",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "fro",
        "3": "must"
      },
      "expansion": "Old French must",
      "name": "bor"
    },
    {
      "args": {
        "1": "enm",
        "2": "la",
        "3": "mustum"
      },
      "expansion": "Latin mustum",
      "name": "der"
    }
  ],
  "etymology_text": "From Old English must and Old French must, most, both from Latin mustum.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "nouns",
        "g": "",
        "g2": "",
        "g3": "",
        "head": "",
        "sort": ""
      },
      "expansion": "must",
      "name": "head"
    },
    {
      "args": {
        "1": "-"
      },
      "expansion": "must (uncountable)",
      "name": "enm-noun"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "must (wine that is not fully fermented)"
      ],
      "links": [
        [
          "must",
          "must#English"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        "Middle English terms with rare senses"
      ],
      "glosses": [
        "fruit juice"
      ],
      "links": [
        [
          "fruit",
          "fruit"
        ],
        [
          "juice",
          "juice"
        ]
      ],
      "raw_glosses": [
        "(rare, with qualifier) fruit juice"
      ],
      "raw_tags": [
        "with qualifier"
      ],
      "tags": [
        "rare",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/must/"
    }
  ],
  "synonyms": [
    {
      "word": "most"
    },
    {
      "word": "moste"
    },
    {
      "word": "moust"
    },
    {
      "word": "muste"
    }
  ],
  "word": "must"
}