"сёрманька" meaning in Erzya

{
  "forms": [
    {
      "form": "śormańka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "nouns"
      },
      "expansion": "сёрманька • (śormańka)",
      "name": "head"
    }
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Erzya 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"
        }
      ],
      "glosses": [
        "letter (of alphabet)"
      ],
      "id": "en-сёрманька-myv-noun-OA5ub~TE",
      "links": [
        [
          "letter",
          "letter"
        ],
        [
          "alphabet",
          "alphabet"
        ]
      ]
    }
  ],
  "word": "сёрманька"
}

{
  "forms": [
    {
      "form": "śormańka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "nouns"
      },
      "expansion": "сёрманька • (śormańka)",
      "name": "head"
    }
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Erzya entries with incorrect language header",
        "Erzya lemmas",
        "Erzya nouns",
        "Pages with 1 entry",
        "Requests for pronunciation in Erzya entries"
      ],
      "glosses": [
        "letter (of alphabet)"
      ],
      "links": [
        [
          "letter",
          "letter"
        ],
        [
          "alphabet",
          "alphabet"
        ]
      ]
    }
  ],
  "word": "сёрманька"
}