"thithermost" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "thither",
        "3": "most"
      },
      "expansion": "thither + -most",
      "name": "suffix"
    }
  ],
  "etymology_text": "thither + -most",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "thithermost (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -most",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Of or pertaining to the most distant point from one's point of reference."
      ],
      "id": "en-thithermost-en-adj-g3AW7yRz",
      "raw_glosses": [
        "(archaic) Of or pertaining to the most distant point from one's point of reference."
      ],
      "tags": [
        "archaic",
        "not-comparable"
      ]
    }
  ],
  "word": "thithermost"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "thither",
        "3": "most"
      },
      "expansion": "thither + -most",
      "name": "suffix"
    }
  ],
  "etymology_text": "thither + -most",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "thithermost (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -most",
        "English terms with archaic senses",
        "English uncomparable adjectives"
      ],
      "glosses": [
        "Of or pertaining to the most distant point from one's point of reference."
      ],
      "raw_glosses": [
        "(archaic) Of or pertaining to the most distant point from one's point of reference."
      ],
      "tags": [
        "archaic",
        "not-comparable"
      ]
    }
  ],
  "word": "thithermost"
}