"nerk" meaning in Lower Sorbian

{
  "etymology_text": "Contaminations from original prejotated forms jerk, jerch with *nerstъ.",
  "head_templates": [
    {
      "args": {
        "1": "m-in"
      },
      "expansion": "nerk m inan",
      "name": "dsb-noun"
    }
  ],
  "lang": "Lower Sorbian",
  "lang_code": "dsb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lower Sorbian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "dsb",
          "name": "Eggs",
          "orig": "dsb:Eggs",
          "parents": [
            "Birds",
            "Foods",
            "Reproduction",
            "Vertebrates",
            "Eating",
            "Food and drink",
            "Life",
            "Chordates",
            "Human behaviour",
            "All topics",
            "Nature",
            "Animals",
            "Human",
            "Fundamental",
            "Lifeforms"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "dsb",
          "name": "Ichthyology",
          "orig": "dsb:Ichthyology",
          "parents": [
            "Zoology",
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "roe"
      ],
      "id": "en-nerk-dsb-noun-cY5kkjH9",
      "links": [
        [
          "roe",
          "roe"
        ]
      ],
      "synonyms": [
        {
          "word": "ńerk"
        },
        {
          "word": "ńerch"
        },
        {
          "word": "nerch"
        },
        {
          "word": "njerk"
        }
      ],
      "tags": [
        "inanimate",
        "masculine"
      ]
    }
  ],
  "word": "nerk"
}

{
  "etymology_text": "Contaminations from original prejotated forms jerk, jerch with *nerstъ.",
  "head_templates": [
    {
      "args": {
        "1": "m-in"
      },
      "expansion": "nerk m inan",
      "name": "dsb-noun"
    }
  ],
  "lang": "Lower Sorbian",
  "lang_code": "dsb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Lower Sorbian entries with incorrect language header",
        "Lower Sorbian inanimate nouns",
        "Lower Sorbian lemmas",
        "Lower Sorbian masculine nouns",
        "Lower Sorbian nouns",
        "dsb:Eggs",
        "dsb:Ichthyology"
      ],
      "glosses": [
        "roe"
      ],
      "links": [
        [
          "roe",
          "roe"
        ]
      ],
      "tags": [
        "inanimate",
        "masculine"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "ńerk"
    },
    {
      "word": "ńerch"
    },
    {
      "word": "nerch"
    },
    {
      "word": "njerk"
    }
  ],
  "word": "nerk"
}