"linguistique historique" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "-"
      },
      "expansion": "linguistique historique f (uncountable)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Linguistics",
          "orig": "fr:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "historical linguistics"
      ],
      "id": "en-linguistique_historique-fr-noun-v1E2otzh",
      "links": [
        [
          "historical linguistics",
          "historical linguistics"
        ]
      ],
      "synonyms": [
        {
          "word": "linguistique diachronique"
        }
      ],
      "tags": [
        "feminine",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/lɛ̃.ɡɥis.tik is.tɔ.ʁik/"
    }
  ],
  "word": "linguistique historique"
}

{
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "-"
      },
      "expansion": "linguistique historique f (uncountable)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French nouns",
        "French terms with IPA pronunciation",
        "French uncountable nouns",
        "fr:Linguistics"
      ],
      "glosses": [
        "historical linguistics"
      ],
      "links": [
        [
          "historical linguistics",
          "historical linguistics"
        ]
      ],
      "synonyms": [
        {
          "word": "linguistique diachronique"
        }
      ],
      "tags": [
        "feminine",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/lɛ̃.ɡɥis.tik is.tɔ.ʁik/"
    }
  ],
  "word": "linguistique historique"
}