"diachronical" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "diachronic",
        "3": "-al"
      },
      "expansion": "diachronic + -al",
      "name": "af"
    }
  ],
  "etymology_text": "From diachronic + -al.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "diachronical (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 -al",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2016 January 12, “Species Distribution 2.0: An Accurate Time- and Cost-Effective Method of Prospection Using Street View Imagery”, in PLOS ONE, →DOI",
          "text": "These data can then be used for diachronical studies using SVI methods of field monitoring.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of diachronic"
      ],
      "id": "en-diachronical-en-adj-VNj8DJDz",
      "links": [
        [
          "diachronic",
          "diachronic#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "diachronic"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "diachronical"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "diachronic",
        "3": "-al"
      },
      "expansion": "diachronic + -al",
      "name": "af"
    }
  ],
  "etymology_text": "From diachronic + -al.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "diachronical (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 -al",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "2016 January 12, “Species Distribution 2.0: An Accurate Time- and Cost-Effective Method of Prospection Using Street View Imagery”, in PLOS ONE, →DOI",
          "text": "These data can then be used for diachronical studies using SVI methods of field monitoring.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of diachronic"
      ],
      "links": [
        [
          "diachronic",
          "diachronic#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "diachronic"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "diachronical"
}