"сундерькс" meaning in Erzya

{
  "etymology_templates": [
    {
      "args": {
        "1": "myv",
        "2": "сув",
        "3": "",
        "4": "fog; curtain"
      },
      "expansion": "Erzya сув (suv, “fog; curtain”)",
      "name": "m+"
    },
    {
      "args": {
        "1": "mdf",
        "2": "сюне"
      },
      "expansion": "Moksha сюне (śune)",
      "name": "cog"
    }
  ],
  "etymology_text": "Related to Erzya сув (suv, “fog; curtain”), Moksha сюне (śune) (from *suvəńä), сюнерьгодомс (śuneŕgodoms).",
  "forms": [
    {
      "form": "sundeŕks",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "noun"
      },
      "expansion": "сундерькс • (sundeŕks)",
      "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": "Moksha terms in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "twilight"
      ],
      "id": "en-сундерькс-myv-noun-Dtvf-sG3",
      "links": [
        [
          "twilight",
          "twilight"
        ]
      ]
    }
  ],
  "word": "сундерькс"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "myv",
        "2": "сув",
        "3": "",
        "4": "fog; curtain"
      },
      "expansion": "Erzya сув (suv, “fog; curtain”)",
      "name": "m+"
    },
    {
      "args": {
        "1": "mdf",
        "2": "сюне"
      },
      "expansion": "Moksha сюне (śune)",
      "name": "cog"
    }
  ],
  "etymology_text": "Related to Erzya сув (suv, “fog; curtain”), Moksha сюне (śune) (from *suvəńä), сюнерьгодомс (śuneŕgodoms).",
  "forms": [
    {
      "form": "sundeŕks",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "noun"
      },
      "expansion": "сундерькс • (sundeŕks)",
      "name": "head"
    }
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Erzya entries with incorrect language header",
        "Erzya lemmas",
        "Erzya nouns",
        "Moksha terms in nonstandard scripts",
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for pronunciation in Erzya entries"
      ],
      "glosses": [
        "twilight"
      ],
      "links": [
        [
          "twilight",
          "twilight"
        ]
      ]
    }
  ],
  "word": "сундерькс"
}