"root for" 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 transitifs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    " ",
    "Composé de root et de for."
  ],
  "forms": [
    {
      "form": "to root for",
      "tags": [
        "infinitive"
      ]
    },
    {
      "form": "roots for",
      "tags": [
        "present",
        "third-person",
        "singular"
      ]
    },
    {
      "form": "rooted for",
      "tags": [
        "preterite"
      ]
    },
    {
      "form": "rooted for",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "rooting for",
      "tags": [
        "participle",
        "present"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "verb",
  "pos_title": "Locution verbale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "I'm rooting for my cousin's team."
        }
      ],
      "glosses": [
        "Supporter, encourager, soutenir."
      ],
      "id": "fr-root_for-en-verb-lck4QqQj"
    }
  ],
  "tags": [
    "transitive"
  ],
  "word": "root for"
}

{
  "categories": [
    "Compositions en anglais",
    "Locutions verbales en anglais",
    "Verbes transitifs en anglais",
    "anglais"
  ],
  "etymology_texts": [
    " ",
    "Composé de root et de for."
  ],
  "forms": [
    {
      "form": "to root for",
      "tags": [
        "infinitive"
      ]
    },
    {
      "form": "roots for",
      "tags": [
        "present",
        "third-person",
        "singular"
      ]
    },
    {
      "form": "rooted for",
      "tags": [
        "preterite"
      ]
    },
    {
      "form": "rooted for",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "rooting for",
      "tags": [
        "participle",
        "present"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "verb",
  "pos_title": "Locution verbale",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire"
      ],
      "examples": [
        {
          "text": "I'm rooting for my cousin's team."
        }
      ],
      "glosses": [
        "Supporter, encourager, soutenir."
      ]
    }
  ],
  "tags": [
    "transitive"
  ],
  "word": "root for"
}