"eau" meaning in Middle French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "eau"
          },
          "expansion": "French: eau",
          "name": "desc"
        },
        {
          "args": {},
          "expansion": "(see there for further descendants)",
          "name": "see desc"
        }
      ],
      "text": "French: eau (see there for further descendants)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "fro",
        "3": "euwe"
      },
      "expansion": "Old French euwe",
      "name": "inh"
    },
    {
      "args": {
        "1": "fro",
        "2": "ewe"
      },
      "expansion": "ewe",
      "name": "m"
    },
    {
      "args": {
        "1": "fro",
        "2": "egua"
      },
      "expansion": "egua",
      "name": "m"
    },
    {
      "args": {
        "1": "frm",
        "2": "la",
        "3": "aqua"
      },
      "expansion": "Latin aqua",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old French euwe, ewe, egua, from Latin aqua.",
  "forms": [
    {
      "form": "eaus",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "eaux",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "10": "{{{f}}}",
        "11": "",
        "12": "{{{f}}}s",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "eaus",
        "7": "or",
        "8": "eaux",
        "9": "",
        "f1accel-form": "p",
        "g": "f",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "eau f (plural eaus or eaux)",
      "name": "head"
    },
    {
      "args": {
        "1": "f",
        "pl2": "eaux"
      },
      "expansion": "eau f (plural eaus or eaux)",
      "name": "frm-noun"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "water"
      ],
      "id": "en-eau-frm-noun-D0FoSQ44",
      "links": [
        [
          "water",
          "water"
        ]
      ],
      "synonyms": [
        {
          "word": "eaue"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "eau"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "eau"
          },
          "expansion": "French: eau",
          "name": "desc"
        },
        {
          "args": {},
          "expansion": "(see there for further descendants)",
          "name": "see desc"
        }
      ],
      "text": "French: eau (see there for further descendants)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "fro",
        "3": "euwe"
      },
      "expansion": "Old French euwe",
      "name": "inh"
    },
    {
      "args": {
        "1": "fro",
        "2": "ewe"
      },
      "expansion": "ewe",
      "name": "m"
    },
    {
      "args": {
        "1": "fro",
        "2": "egua"
      },
      "expansion": "egua",
      "name": "m"
    },
    {
      "args": {
        "1": "frm",
        "2": "la",
        "3": "aqua"
      },
      "expansion": "Latin aqua",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old French euwe, ewe, egua, from Latin aqua.",
  "forms": [
    {
      "form": "eaus",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "eaux",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "10": "{{{f}}}",
        "11": "",
        "12": "{{{f}}}s",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "eaus",
        "7": "or",
        "8": "eaux",
        "9": "",
        "f1accel-form": "p",
        "g": "f",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "eau f (plural eaus or eaux)",
      "name": "head"
    },
    {
      "args": {
        "1": "f",
        "pl2": "eaux"
      },
      "expansion": "eau f (plural eaus or eaux)",
      "name": "frm-noun"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Middle French countable nouns",
        "Middle French entries with incorrect language header",
        "Middle French feminine nouns",
        "Middle French lemmas",
        "Middle French nouns",
        "Middle French terms derived from Latin",
        "Middle French terms derived from Old French",
        "Middle French terms inherited from Latin",
        "Middle French terms inherited from Old French",
        "Requests for pronunciation in Middle French entries"
      ],
      "glosses": [
        "water"
      ],
      "links": [
        [
          "water",
          "water"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "eaue"
    }
  ],
  "word": "eau"
}