"heiz" meaning in Breton

{
  "etymology_templates": [
    {
      "args": {
        "1": "br",
        "2": "cel-pro",
        "3": "*sasyos",
        "t": "rye"
      },
      "expansion": "Proto-Celtic *sasyos (“rye”)",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "haidd",
        "t": "barley"
      },
      "expansion": "Welsh haidd (“barley”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Celtic *sasyos (“rye”). Cognate with Welsh haidd (“barley”).",
  "forms": [
    {
      "form": "heizenn",
      "tags": [
        "singulative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "br",
        "10": "{{{p3}}}",
        "11": "",
        "12": "{{{d}}}",
        "13": "",
        "14": "{{{c}}}",
        "15": "singulative",
        "16": "heizenn",
        "17": "",
        "18": "{{{s2}}}",
        "2": "nouns",
        "3": "",
        "4": "",
        "5": "",
        "6": "{{{p}}}",
        "7": "",
        "8": "{{{p2}}}",
        "9": "",
        "f2accel-form": "p",
        "f5accel-form": "d",
        "f7accel-form": "sgl",
        "f8accel-form": "s",
        "g": "f",
        "g2": "",
        "g3": "",
        "head": "",
        "sort": ""
      },
      "expansion": "heiz f (singulative heizenn)",
      "name": "head"
    },
    {
      "args": {
        "1": "f",
        "s": "heizenn"
      },
      "expansion": "heiz f (singulative heizenn)",
      "name": "br-noun"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Breton entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "br",
          "name": "Hordeeae tribe grasses",
          "orig": "br:Hordeeae tribe grasses",
          "parents": [
            "Grasses",
            "Commelinids",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "wall barley",
          "word": "heiz gouez"
        }
      ],
      "glosses": [
        "barley"
      ],
      "id": "en-heiz-br-noun-16nq0LFc",
      "links": [
        [
          "barley",
          "barley"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "heiz"
}

{
  "derived": [
    {
      "english": "wall barley",
      "word": "heiz gouez"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "br",
        "2": "cel-pro",
        "3": "*sasyos",
        "t": "rye"
      },
      "expansion": "Proto-Celtic *sasyos (“rye”)",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "haidd",
        "t": "barley"
      },
      "expansion": "Welsh haidd (“barley”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Celtic *sasyos (“rye”). Cognate with Welsh haidd (“barley”).",
  "forms": [
    {
      "form": "heizenn",
      "tags": [
        "singulative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "br",
        "10": "{{{p3}}}",
        "11": "",
        "12": "{{{d}}}",
        "13": "",
        "14": "{{{c}}}",
        "15": "singulative",
        "16": "heizenn",
        "17": "",
        "18": "{{{s2}}}",
        "2": "nouns",
        "3": "",
        "4": "",
        "5": "",
        "6": "{{{p}}}",
        "7": "",
        "8": "{{{p2}}}",
        "9": "",
        "f2accel-form": "p",
        "f5accel-form": "d",
        "f7accel-form": "sgl",
        "f8accel-form": "s",
        "g": "f",
        "g2": "",
        "g3": "",
        "head": "",
        "sort": ""
      },
      "expansion": "heiz f (singulative heizenn)",
      "name": "head"
    },
    {
      "args": {
        "1": "f",
        "s": "heizenn"
      },
      "expansion": "heiz f (singulative heizenn)",
      "name": "br-noun"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Breton entries with incorrect language header",
        "Breton feminine nouns",
        "Breton lemmas",
        "Breton nouns",
        "Breton terms derived from Proto-Celtic",
        "Pages with 3 entries",
        "br:Hordeeae tribe grasses"
      ],
      "glosses": [
        "barley"
      ],
      "links": [
        [
          "barley",
          "barley"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "heiz"
}