"cest" meaning in Middle French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "cet"
          },
          "expansion": "French: cet",
          "name": "desc"
        }
      ],
      "text": "French: cet"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "fro",
        "3": "cist"
      },
      "expansion": "Old French cist",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old French cist.",
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "2": "adjective form"
      },
      "expansion": "cest",
      "name": "head"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "81 19",
          "kind": "other",
          "name": "Middle French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "90 10",
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "94 6",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "this honor",
          "text": "cest honneur",
          "type": "example"
        }
      ],
      "form_of": [
        {
          "word": "ce used before a vowel or a mute h followed by a vowel"
        }
      ],
      "glosses": [
        "masculine singular of ce used before a vowel or a mute h followed by a vowel"
      ],
      "id": "en-cest-frm-adj--ptIbWVH",
      "links": [
        [
          "ce",
          "ce#Middle_French"
        ]
      ],
      "tags": [
        "form-of",
        "masculine",
        "singular"
      ]
    }
  ],
  "word": "cest"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "2": "contraction"
      },
      "expansion": "cest",
      "name": "head"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "contraction",
  "senses": [
    {
      "alt_of": [
        {
          "word": "c'est"
        }
      ],
      "glosses": [
        "Alternative form of c'est"
      ],
      "id": "en-cest-frm-contraction-6TY0MQmr",
      "links": [
        [
          "c'est",
          "c'est#Middle_French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "contraction"
      ]
    }
  ],
  "word": "cest"
}

{
  "categories": [
    "Middle French adjective forms",
    "Middle French contractions",
    "Middle French entries with incorrect language header",
    "Middle French non-lemma forms",
    "Middle French terms derived from Old French",
    "Middle French terms inherited from Old French",
    "Pages with 6 entries",
    "Pages with entries"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "cet"
          },
          "expansion": "French: cet",
          "name": "desc"
        }
      ],
      "text": "French: cet"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "fro",
        "3": "cist"
      },
      "expansion": "Old French cist",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old French cist.",
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "2": "adjective form"
      },
      "expansion": "cest",
      "name": "head"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Middle French terms with usage examples"
      ],
      "examples": [
        {
          "english": "this honor",
          "text": "cest honneur",
          "type": "example"
        }
      ],
      "form_of": [
        {
          "word": "ce used before a vowel or a mute h followed by a vowel"
        }
      ],
      "glosses": [
        "masculine singular of ce used before a vowel or a mute h followed by a vowel"
      ],
      "links": [
        [
          "ce",
          "ce#Middle_French"
        ]
      ],
      "tags": [
        "form-of",
        "masculine",
        "singular"
      ]
    }
  ],
  "word": "cest"
}

{
  "categories": [
    "Middle French contractions",
    "Middle French entries with incorrect language header",
    "Middle French non-lemma forms",
    "Pages with 6 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "2": "contraction"
      },
      "expansion": "cest",
      "name": "head"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "contraction",
  "senses": [
    {
      "alt_of": [
        {
          "word": "c'est"
        }
      ],
      "glosses": [
        "Alternative form of c'est"
      ],
      "links": [
        [
          "c'est",
          "c'est#Middle_French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "contraction"
      ]
    }
  ],
  "word": "cest"
}