"livir" meaning in Ido

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de verbes en ido",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Ido",
      "orig": "ido",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "Passé de l’infinitif"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "form_of": [
        {
          "word": "livar"
        }
      ],
      "glosses": [
        "Passé de l’infinitif du verbe livar."
      ],
      "id": "fr-livir-io-verb-oJV1LVBC"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "livir"
}

{
  "categories": [
    "Formes de verbes en ido",
    "ido"
  ],
  "forms": [
    {
      "form": "Passé de l’infinitif"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "form_of": [
        {
          "word": "livar"
        }
      ],
      "glosses": [
        "Passé de l’infinitif du verbe livar."
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "livir"
}