"лєтѣти" meaning in Vieux slave

{
  "categories": [
    {
      "kind": "other",
      "name": "Verbes en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes imperfectifs en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux slave",
      "orig": "vieux slave",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "lang": "Bulgare",
      "lang_code": "bg",
      "word": "летя"
    },
    {
      "lang": "Polonais",
      "lang_code": "pl",
      "word": "lecieć"
    },
    {
      "lang": "Russe",
      "lang_code": "ru",
      "word": "лететь"
    },
    {
      "lang": "Serbo-croate",
      "lang_code": "sh",
      "word": "letjeti"
    },
    {
      "lang": "Slovaque",
      "lang_code": "sk",
      "word": "letieť"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "letět"
    }
  ],
  "etymology_texts": [
    "Apparenté au germanique lecken (« jeter, sautiller »), au grec ancien λακτίζω, laktizo (« ruer »), le latin lacertus (« lézard »)."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "glosses": [
        "Voler, dans les airs."
      ],
      "id": "fr-лєтѣти-cu-verb-A8-lWcw1"
    }
  ],
  "tags": [
    "imperfective"
  ],
  "word": "лєтѣти"
}

{
  "categories": [
    "Verbes en vieux slave",
    "Verbes imperfectifs en vieux slave",
    "vieux slave"
  ],
  "derived": [
    {
      "lang": "Bulgare",
      "lang_code": "bg",
      "word": "летя"
    },
    {
      "lang": "Polonais",
      "lang_code": "pl",
      "word": "lecieć"
    },
    {
      "lang": "Russe",
      "lang_code": "ru",
      "word": "лететь"
    },
    {
      "lang": "Serbo-croate",
      "lang_code": "sh",
      "word": "letjeti"
    },
    {
      "lang": "Slovaque",
      "lang_code": "sk",
      "word": "letieť"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "letět"
    }
  ],
  "etymology_texts": [
    "Apparenté au germanique lecken (« jeter, sautiller »), au grec ancien λακτίζω, laktizo (« ruer »), le latin lacertus (« lézard »)."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "glosses": [
        "Voler, dans les airs."
      ]
    }
  ],
  "tags": [
    "imperfective"
  ],
  "word": "лєтѣти"
}