"reithine" meaning in Middle Irish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "reithine"
          },
          "expansion": "Irish: reithine",
          "name": "desc"
        }
      ],
      "text": "Irish: reithine"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mga",
        "2": "noun",
        "g": "f"
      },
      "expansion": "reithine f",
      "name": "head"
    }
  ],
  "lang": "Middle Irish",
  "lang_code": "mga",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "reithinech"
        }
      ],
      "examples": [
        {
          "english": "During the season of winter he waited in the Alps, and at the beginning of the vernal serenity he came, having a great host from his son-in-law Pompey the Great […]",
          "ref": "c. 1400, Anonymous, In Cath Catharda, translated by Whitley Stokes, line 172",
          "text": "Ro fuirigh-sium fri ré in gemridh i Sleib Elpa, ⁊ tainic la tinnscetal na reithine errchaidhe co sochraidi moir leis ó chliamuin .i. Poimp Maighe[…]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "calm, tranquillity"
      ],
      "id": "en-reithine-mga-noun-1WboFp-6",
      "links": [
        [
          "calm",
          "calm"
        ],
        [
          "tranquillity",
          "tranquillity"
        ]
      ],
      "synonyms": [
        {
          "word": "raethini"
        },
        {
          "word": "rethine"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "reithine"
}

{
  "derived": [
    {
      "word": "reithinech"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "reithine"
          },
          "expansion": "Irish: reithine",
          "name": "desc"
        }
      ],
      "text": "Irish: reithine"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mga",
        "2": "noun",
        "g": "f"
      },
      "expansion": "reithine f",
      "name": "head"
    }
  ],
  "lang": "Middle Irish",
  "lang_code": "mga",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Middle Irish entries with incorrect language header",
        "Middle Irish feminine nouns",
        "Middle Irish lemmas",
        "Middle Irish nouns",
        "Middle Irish terms with quotations"
      ],
      "examples": [
        {
          "english": "During the season of winter he waited in the Alps, and at the beginning of the vernal serenity he came, having a great host from his son-in-law Pompey the Great […]",
          "ref": "c. 1400, Anonymous, In Cath Catharda, translated by Whitley Stokes, line 172",
          "text": "Ro fuirigh-sium fri ré in gemridh i Sleib Elpa, ⁊ tainic la tinnscetal na reithine errchaidhe co sochraidi moir leis ó chliamuin .i. Poimp Maighe[…]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "calm, tranquillity"
      ],
      "links": [
        [
          "calm",
          "calm"
        ],
        [
          "tranquillity",
          "tranquillity"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "raethini"
    },
    {
      "word": "rethine"
    }
  ],
  "word": "reithine"
}