"нилецеселень" meaning in Moksha

{
  "forms": [
    {
      "form": "ńiľećeśeľeń",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "adjective form"
      },
      "expansion": "нилецеселень • (ńiľećeśeľeń)",
      "name": "head"
    }
  ],
  "lang": "Moksha",
  "lang_code": "mdf",
  "pos": "adj",
  "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"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "(ńiľeće); I was the fourth",
          "word": "нилеце"
        }
      ],
      "glosses": [
        "first-person singular definite past copulative of нилеце (ńiľeće); I was the fourth"
      ],
      "id": "en-нилецеселень-mdf-adj-tpN9Ih7h",
      "links": [
        [
          "нилеце",
          "нилеце#Moksha"
        ]
      ],
      "tags": [
        "copulative",
        "definite",
        "first-person",
        "form-of",
        "past",
        "singular"
      ]
    }
  ],
  "word": "нилецеселень"
}

{
  "forms": [
    {
      "form": "ńiľećeśeľeń",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "adjective form"
      },
      "expansion": "нилецеселень • (ńiľećeśeľeń)",
      "name": "head"
    }
  ],
  "lang": "Moksha",
  "lang_code": "mdf",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Moksha adjective forms",
        "Moksha entries with incorrect language header",
        "Moksha non-lemma forms",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "form_of": [
        {
          "extra": "(ńiľeće); I was the fourth",
          "word": "нилеце"
        }
      ],
      "glosses": [
        "first-person singular definite past copulative of нилеце (ńiľeće); I was the fourth"
      ],
      "links": [
        [
          "нилеце",
          "нилеце#Moksha"
        ]
      ],
      "tags": [
        "copulative",
        "definite",
        "first-person",
        "form-of",
        "past",
        "singular"
      ]
    }
  ],
  "word": "нилецеселень"
}