"лумыш" meaning in Eastern Mari

{
  "forms": [
    {
      "form": "lumyš",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mhr",
        "2": "noun form"
      },
      "expansion": "лумыш • (lumyš)",
      "name": "head"
    }
  ],
  "lang": "Eastern Mari",
  "lang_code": "mhr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Eastern Mari entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "non-possessed short illative singular form of лум"
      ],
      "id": "en-лумыш-mhr-noun-O4ZJpTMx",
      "links": [
        [
          "лум",
          "лум#Eastern Mari"
        ]
      ]
    }
  ],
  "word": "лумыш"
}

{
  "forms": [
    {
      "form": "lumyš",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mhr",
        "2": "noun form"
      },
      "expansion": "лумыш • (lumyš)",
      "name": "head"
    }
  ],
  "lang": "Eastern Mari",
  "lang_code": "mhr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Eastern Mari entries with incorrect language header",
        "Eastern Mari non-lemma forms",
        "Eastern Mari noun forms",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "non-possessed short illative singular form of лум"
      ],
      "links": [
        [
          "лум",
          "лум#Eastern Mari"
        ]
      ]
    }
  ],
  "word": "лумыш"
}