"ערשטע וועלט מלחמה" meaning in Yiddish

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en yiddish",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Yiddish",
      "orig": "yiddish",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en yiddish de l’histoire",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Première Guerre mondiale."
      ],
      "id": "fr-ערשטע_וועלט_מלחמה-yi-noun-u5RmNsrl",
      "topics": [
        "history"
      ]
    }
  ],
  "word": "ערשטע וועלט מלחמה"
}

{
  "categories": [
    "Noms communs en yiddish",
    "yiddish"
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en yiddish de l’histoire"
      ],
      "glosses": [
        "Première Guerre mondiale."
      ],
      "topics": [
        "history"
      ]
    }
  ],
  "word": "ערשטע וועלט מלחמה"
}