"最初" meaning in Japonais

{
  "antonyms": [
    {
      "word": "最後"
    },
    {
      "word": "最終"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Japonais",
      "orig": "japonais",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "さいしょ",
      "tags": [
        "hiragana"
      ]
    },
    {
      "form": "saisho",
      "tags": [
        "transcription"
      ]
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "一番"
    },
    {
      "word": "始発"
    },
    {
      "word": "初めて"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en japonais",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "roman": "Saisho wa Kankokugo ga yaritakatta.",
          "text": "最初は韓国語がやりたかった。",
          "translation": "Au début, je voulais faire du coréen."
        }
      ],
      "glosses": [
        "Début, tout début."
      ],
      "id": "fr-最初-ja-noun--5lq0VnY"
    },
    {
      "glosses": [
        "Premier."
      ],
      "id": "fr-最初-ja-noun-g1kCWxGc"
    }
  ],
  "sounds": [
    {
      "ipa": "\\sai.ʃo\\"
    }
  ],
  "word": "最初"
}

{
  "antonyms": [
    {
      "word": "最後"
    },
    {
      "word": "最終"
    }
  ],
  "categories": [
    "Noms communs en japonais",
    "japonais"
  ],
  "forms": [
    {
      "form": "さいしょ",
      "tags": [
        "hiragana"
      ]
    },
    {
      "form": "saisho",
      "tags": [
        "transcription"
      ]
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "一番"
    },
    {
      "word": "始発"
    },
    {
      "word": "初めて"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en japonais"
      ],
      "examples": [
        {
          "roman": "Saisho wa Kankokugo ga yaritakatta.",
          "text": "最初は韓国語がやりたかった。",
          "translation": "Au début, je voulais faire du coréen."
        }
      ],
      "glosses": [
        "Début, tout début."
      ]
    },
    {
      "glosses": [
        "Premier."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\sai.ʃo\\"
    }
  ],
  "word": "最初"
}