"dek" meaning in Breton

{
  "etymology_templates": [
    {
      "args": {
        "1": "br",
        "2": "xbm",
        "3": "dek"
      },
      "expansion": "Middle Breton dek",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "obt",
        "3": "dec"
      },
      "expansion": "Old Breton dec",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "cel-bry-pro",
        "3": "*deg"
      },
      "expansion": "Proto-Brythonic *deg",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "cel-pro",
        "3": "*dekam"
      },
      "expansion": "Proto-Celtic *dekam",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "ine-pro",
        "3": "*déḱm̥"
      },
      "expansion": "Proto-Indo-European *déḱm̥",
      "name": "inh"
    }
  ],
  "etymology_text": "From Middle Breton dek, from Old Breton dec, from Proto-Brythonic *deg, from Proto-Celtic *dekam, from Proto-Indo-European *déḱm̥.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "dek",
      "source": "mutation",
      "tags": [
        "unmutated"
      ]
    },
    {
      "form": "zek",
      "source": "mutation",
      "tags": [
        "mutation-soft"
      ]
    },
    {
      "form": "tek",
      "source": "mutation",
      "tags": [
        "mutation-hard"
      ]
    },
    {
      "form": "tek",
      "source": "mutation",
      "tags": [
        "mixed"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "br",
        "2": "numeral"
      },
      "expansion": "dek",
      "name": "head"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Breton cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Breton entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 13 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "ten"
      ],
      "id": "en-dek-br-num-5EMrqpCB",
      "links": [
        [
          "ten",
          "ten#English"
        ]
      ],
      "related": [
        {
          "tags": [
            "cardinal",
            "numeral"
          ],
          "word": "Previous: nav. Next: unnek"
        }
      ]
    }
  ],
  "word": "dek"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "br",
        "2": "xbm",
        "3": "dek"
      },
      "expansion": "Middle Breton dek",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "obt",
        "3": "dec"
      },
      "expansion": "Old Breton dec",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "cel-bry-pro",
        "3": "*deg"
      },
      "expansion": "Proto-Brythonic *deg",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "cel-pro",
        "3": "*dekam"
      },
      "expansion": "Proto-Celtic *dekam",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "ine-pro",
        "3": "*déḱm̥"
      },
      "expansion": "Proto-Indo-European *déḱm̥",
      "name": "inh"
    }
  ],
  "etymology_text": "From Middle Breton dek, from Old Breton dec, from Proto-Brythonic *deg, from Proto-Celtic *dekam, from Proto-Indo-European *déḱm̥.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "dek",
      "source": "mutation",
      "tags": [
        "unmutated"
      ]
    },
    {
      "form": "zek",
      "source": "mutation",
      "tags": [
        "mutation-soft"
      ]
    },
    {
      "form": "tek",
      "source": "mutation",
      "tags": [
        "mutation-hard"
      ]
    },
    {
      "form": "tek",
      "source": "mutation",
      "tags": [
        "mixed"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "br",
        "2": "numeral"
      },
      "expansion": "dek",
      "name": "head"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "num",
  "related": [
    {
      "tags": [
        "cardinal",
        "numeral"
      ],
      "word": "Previous: nav. Next: unnek"
    }
  ],
  "senses": [
    {
      "categories": [
        "Breton cardinal numbers",
        "Breton entries with incorrect language header",
        "Breton lemmas",
        "Breton numerals",
        "Breton terms derived from Middle Breton",
        "Breton terms derived from Old Breton",
        "Breton terms derived from Proto-Brythonic",
        "Breton terms derived from Proto-Celtic",
        "Breton terms derived from Proto-Indo-European",
        "Breton terms inherited from Middle Breton",
        "Breton terms inherited from Old Breton",
        "Breton terms inherited from Proto-Brythonic",
        "Breton terms inherited from Proto-Celtic",
        "Breton terms inherited from Proto-Indo-European",
        "Pages with 13 entries",
        "Pages with entries"
      ],
      "glosses": [
        "ten"
      ],
      "links": [
        [
          "ten",
          "ten#English"
        ]
      ]
    }
  ],
  "word": "dek"
}