"PJ" meaning in Japonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en japonais issus d’un mot en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Japonais",
      "orig": "japonais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Ellipse de l’anglais project."
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "raw_tags": [
        "Moins courant"
      ],
      "word": "PJT"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "プロジェクト"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en japonais du travail",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Variante orthographique de プロジェクト."
      ],
      "id": "fr-PJ-ja-noun-LHBmw~OP",
      "raw_tags": [
        "Travail"
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pɯ.ɾo.dʑe.kɯ.to\\"
    }
  ],
  "word": "PJ"
}

{
  "categories": [
    "Mots en japonais issus d’un mot en anglais",
    "Noms communs en japonais",
    "japonais"
  ],
  "etymology_texts": [
    "Ellipse de l’anglais project."
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "raw_tags": [
        "Moins courant"
      ],
      "word": "PJT"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "プロジェクト"
        }
      ],
      "categories": [
        "Lexique en japonais du travail"
      ],
      "glosses": [
        "Variante orthographique de プロジェクト."
      ],
      "raw_tags": [
        "Travail"
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pɯ.ɾo.dʑe.kɯ.to\\"
    }
  ],
  "word": "PJ"
}