"rethnes" meaning in Middle English

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "retheness"
          },
          "expansion": "English: retheness",
          "name": "desc"
        }
      ],
      "text": "English: retheness"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "sco",
            "2": "rethnas"
          },
          "expansion": "Scots: rethnas",
          "name": "desc"
        }
      ],
      "text": "Scots: rethnas"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "ang",
        "3": "rēþnes"
      },
      "expansion": "Old English rēþnes",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "reth",
        "3": "-nesse"
      },
      "expansion": "reth + -nesse",
      "name": "af"
    }
  ],
  "etymology_text": "From Old English rēþnes; equivalent to reth + -nesse.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "noun"
      },
      "expansion": "rethnes",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle English terms suffixed with -nesse",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "enm",
          "name": "Emotions",
          "orig": "enm:Emotions",
          "parents": [
            "Mind",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "ferociousness, ruthlessness, mercilessness"
      ],
      "id": "en-rethnes-enm-noun-N3D3T2Ge",
      "links": [
        [
          "ferociousness",
          "ferociousness"
        ],
        [
          "ruthlessness",
          "ruthlessness"
        ],
        [
          "mercilessness",
          "mercilessness"
        ]
      ],
      "synonyms": [
        {
          "word": "reþenes"
        },
        {
          "word": "ræðnesse"
        }
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈreːð(ə)nɛs/"
    }
  ],
  "word": "rethnes"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "retheness"
          },
          "expansion": "English: retheness",
          "name": "desc"
        }
      ],
      "text": "English: retheness"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "sco",
            "2": "rethnas"
          },
          "expansion": "Scots: rethnas",
          "name": "desc"
        }
      ],
      "text": "Scots: rethnas"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "ang",
        "3": "rēþnes"
      },
      "expansion": "Old English rēþnes",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "reth",
        "3": "-nesse"
      },
      "expansion": "reth + -nesse",
      "name": "af"
    }
  ],
  "etymology_text": "From Old English rēþnes; equivalent to reth + -nesse.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "noun"
      },
      "expansion": "rethnes",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Middle English entries with incorrect language header",
        "Middle English lemmas",
        "Middle English nouns",
        "Middle English terms derived from Old English",
        "Middle English terms inherited from Old English",
        "Middle English terms suffixed with -nesse",
        "Middle English terms with rare senses",
        "Pages with 1 entry",
        "Pages with entries",
        "enm:Emotions"
      ],
      "glosses": [
        "ferociousness, ruthlessness, mercilessness"
      ],
      "links": [
        [
          "ferociousness",
          "ferociousness"
        ],
        [
          "ruthlessness",
          "ruthlessness"
        ],
        [
          "mercilessness",
          "mercilessness"
        ]
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈreːð(ə)nɛs/"
    }
  ],
  "synonyms": [
    {
      "word": "reþenes"
    },
    {
      "word": "ræðnesse"
    }
  ],
  "word": "rethnes"
}