"one for all, all for one" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions-phrases en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de one, for et all."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "glosses": [
        "Un pour tous, tous pour un."
      ],
      "id": "fr-one_for_all,_all_for_one-en-phrase-jgSWEmye"
    }
  ],
  "sounds": [
    {
      "ipa": "\\wʌn fɔɹ ɔːl ɔːl fɔɹ wʌn\\"
    }
  ],
  "word": "one for all, all for one"
}

{
  "categories": [
    "Compositions en anglais",
    "Locutions-phrases en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de one, for et all."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "glosses": [
        "Un pour tous, tous pour un."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\wʌn fɔɹ ɔːl ɔːl fɔɹ wʌn\\"
    }
  ],
  "word": "one for all, all for one"
}