"start up" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions verbales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes à particule en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de start et de up."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "verb",
  "pos_title": "Locution verbale",
  "related": [
    {
      "word": "start"
    },
    {
      "word": "start off"
    },
    {
      "word": "start over"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Thomas Carlyle, Past and Present, ch. 3, Manchester Insurrection",
          "text": "A million hungry operative men started up, in utmost paroxysm of desperate protest against their lot;",
          "translation": "Un million d’hommes employés affamés émergèrent, dans un extrême paroxysme de protestation désespérée contre leur sort ;"
        }
      ],
      "glosses": [
        "Émerger, se dégager, se faire jour subitement."
      ],
      "id": "fr-start_up-en-verb-rgSaA010"
    }
  ],
  "sounds": [
    {
      "ipa": "\\stɑː(r)tˈəp\\"
    }
  ],
  "word": "start up"
}

{
  "categories": [
    "Compositions en anglais",
    "Locutions verbales en anglais",
    "Verbes à particule en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de start et de up."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "verb",
  "pos_title": "Locution verbale",
  "related": [
    {
      "word": "start"
    },
    {
      "word": "start off"
    },
    {
      "word": "start over"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en anglais"
      ],
      "examples": [
        {
          "ref": "Thomas Carlyle, Past and Present, ch. 3, Manchester Insurrection",
          "text": "A million hungry operative men started up, in utmost paroxysm of desperate protest against their lot;",
          "translation": "Un million d’hommes employés affamés émergèrent, dans un extrême paroxysme de protestation désespérée contre leur sort ;"
        }
      ],
      "glosses": [
        "Émerger, se dégager, se faire jour subitement."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\stɑː(r)tˈəp\\"
    }
  ],
  "word": "start up"
}