"пялькссь" meaning in Moksha

{
  "forms": [
    {
      "form": "päľksś",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "noun form"
      },
      "expansion": "пялькссь • (päľksś)",
      "name": "head"
    }
  ],
  "lang": "Moksha",
  "lang_code": "mdf",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Moksha 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"
        }
      ],
      "form_of": [
        {
          "extra": "päľks",
          "word": "пялькс"
        }
      ],
      "glosses": [
        "definite singular nominative of пялькс (päľks)"
      ],
      "id": "en-пялькссь-mdf-noun-fyNauKmz",
      "links": [
        [
          "пялькс",
          "пялькс#Moksha"
        ]
      ],
      "tags": [
        "definite",
        "form-of",
        "nominative",
        "singular"
      ]
    }
  ],
  "word": "пялькссь"
}

{
  "forms": [
    {
      "form": "päľksś",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "noun form"
      },
      "expansion": "пялькссь • (päľksś)",
      "name": "head"
    }
  ],
  "lang": "Moksha",
  "lang_code": "mdf",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Moksha entries with incorrect language header",
        "Moksha non-lemma forms",
        "Moksha noun forms",
        "Pages with 1 entry"
      ],
      "form_of": [
        {
          "extra": "päľks",
          "word": "пялькс"
        }
      ],
      "glosses": [
        "definite singular nominative of пялькс (päľks)"
      ],
      "links": [
        [
          "пялькс",
          "пялькс#Moksha"
        ]
      ],
      "tags": [
        "definite",
        "form-of",
        "nominative",
        "singular"
      ]
    }
  ],
  "word": "пялькссь"
}