"ipse dixit" meaning in Latin

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "grc",
        "3": "αὐτὸς ἔφα",
        "t": "he himself said it"
      },
      "expansion": "Calque of Ancient Greek αὐτὸς ἔφα (autòs épha, “he himself said it”)",
      "name": "calque"
    }
  ],
  "etymology_text": "Calque of Ancient Greek αὐτὸς ἔφα (autòs épha, “he himself said it”), originally used by Pythagoreans.",
  "forms": [
    {
      "form": "ipse dīxit",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "phrase",
        "head": "ipse dīxit"
      },
      "expansion": "ipse dīxit",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Medieval Latin",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "la",
          "name": "Logical fallacies",
          "orig": "la:Logical fallacies",
          "parents": [
            "Logic",
            "Rhetoric",
            "Formal sciences",
            "Philosophy",
            "Language",
            "Sciences",
            "All topics",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Used after a statement claimed to be by Aristotle, whose absolute authority made it incontestable."
      ],
      "id": "en-ipse_dixit-la-phrase-kJRXDO2C",
      "links": [
        [
          "rhetoric",
          "rhetoric"
        ],
        [
          "Aristotle",
          "Aristotle#English"
        ],
        [
          "incontestable",
          "incontestable#English"
        ]
      ],
      "raw_glosses": [
        "(rhetoric, chiefly Medieval Latin) Used after a statement claimed to be by Aristotle, whose absolute authority made it incontestable."
      ],
      "tags": [
        "Medieval-Latin",
        "rhetoric"
      ],
      "wikipedia": [
        "la:ipse dixit"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈip.se ˈdiːk.sit/",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "[ˈɪps̠ɛ ˈd̪iːks̠ɪt̪]",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "/ˈip.se ˈdik.sit/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[ˈipse ˈd̪iksit̪]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "ipse dixit"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "grc",
        "3": "αὐτὸς ἔφα",
        "t": "he himself said it"
      },
      "expansion": "Calque of Ancient Greek αὐτὸς ἔφα (autòs épha, “he himself said it”)",
      "name": "calque"
    }
  ],
  "etymology_text": "Calque of Ancient Greek αὐτὸς ἔφα (autòs épha, “he himself said it”), originally used by Pythagoreans.",
  "forms": [
    {
      "form": "ipse dīxit",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "phrase",
        "head": "ipse dīxit"
      },
      "expansion": "ipse dīxit",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Latin entries with incorrect language header",
        "Latin lemmas",
        "Latin multiword terms",
        "Latin phrases",
        "Latin terms calqued from Ancient Greek",
        "Latin terms derived from Ancient Greek",
        "Latin terms with IPA pronunciation",
        "Medieval Latin",
        "la:Logical fallacies"
      ],
      "glosses": [
        "Used after a statement claimed to be by Aristotle, whose absolute authority made it incontestable."
      ],
      "links": [
        [
          "rhetoric",
          "rhetoric"
        ],
        [
          "Aristotle",
          "Aristotle#English"
        ],
        [
          "incontestable",
          "incontestable#English"
        ]
      ],
      "raw_glosses": [
        "(rhetoric, chiefly Medieval Latin) Used after a statement claimed to be by Aristotle, whose absolute authority made it incontestable."
      ],
      "tags": [
        "Medieval-Latin",
        "rhetoric"
      ],
      "wikipedia": [
        "la:ipse dixit"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈip.se ˈdiːk.sit/",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "[ˈɪps̠ɛ ˈd̪iːks̠ɪt̪]",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "/ˈip.se ˈdik.sit/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[ˈipse ˈd̪iksit̪]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "ipse dixit"
}