"летно" meaning in Macedonian

{
  "forms": [
    {
      "form": "letno",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "полетно",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "најлетно",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "летно • (letno) (comparative полетно, superlative најлетно)",
      "name": "mk-adv"
    }
  ],
  "lang": "Macedonian",
  "lang_code": "mk",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Macedonian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "in a summery way, summerily"
      ],
      "id": "en-летно-mk-adv-2u6N3I4i",
      "links": [
        [
          "summery",
          "summery"
        ],
        [
          "summerily",
          "summerily"
        ]
      ],
      "related": [
        {
          "roman": "leten",
          "word": "летен"
        },
        {
          "roman": "proletno",
          "word": "пролетно"
        },
        {
          "roman": "esenski",
          "word": "есенски"
        },
        {
          "roman": "zimski",
          "word": "зимски"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈlɛtnɔ]"
    }
  ],
  "word": "летно"
}

{
  "forms": [
    {
      "form": "letno",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "полетно",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "најлетно",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "летно • (letno) (comparative полетно, superlative најлетно)",
      "name": "mk-adv"
    }
  ],
  "lang": "Macedonian",
  "lang_code": "mk",
  "pos": "adv",
  "related": [
    {
      "roman": "leten",
      "word": "летен"
    },
    {
      "roman": "proletno",
      "word": "пролетно"
    },
    {
      "roman": "esenski",
      "word": "есенски"
    },
    {
      "roman": "zimski",
      "word": "зимски"
    }
  ],
  "senses": [
    {
      "categories": [
        "Macedonian 2-syllable words",
        "Macedonian adverbs",
        "Macedonian adverbs with red links in their headword lines",
        "Macedonian entries with incorrect language header",
        "Macedonian lemmas",
        "Macedonian paroxytone terms",
        "Macedonian terms with IPA pronunciation"
      ],
      "glosses": [
        "in a summery way, summerily"
      ],
      "links": [
        [
          "summery",
          "summery"
        ],
        [
          "summerily",
          "summerily"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈlɛtnɔ]"
    }
  ],
  "word": "летно"
}