"letos" meaning in Czech

{
  "etymology_templates": [
    {
      "args": {
        "1": "cs",
        "2": ":inh",
        "3": "zlw-ocs:letos, letose",
        "text": "+",
        "tree": "1"
      },
      "expansion": "[letos]], letose\", \"status\" : \"missing\", \"lang\" : \"zlw-ocs\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Czech\", \"term\" : \"letos\", \"status\" : \"ok\", \"lang\" : \"cs\" }\" data-lang=\"cs\" data-title=\"letos\">\nInherited from Old Czech letos, letose.",
      "name": "ety"
    }
  ],
  "etymology_text": "Inherited from Old Czech letos, letose.",
  "head_templates": [
    {
      "args": {},
      "expansion": "letos",
      "name": "cs-adv"
    }
  ],
  "hyphenations": [
    {
      "parts": [
        "le",
        "tos"
      ]
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries referencing missing etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech entries with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "48 48 1 1 2 0",
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 49 1 1 1 0",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "word": "letošák"
        },
        {
          "word": "letošek"
        },
        {
          "word": "letošní"
        }
      ],
      "glosses": [
        "this year"
      ],
      "id": "en-letos-cs-adv-7nyhZ-~H",
      "links": [
        [
          "this year",
          "this year"
        ]
      ],
      "related": [
        {
          "word": "loni"
        },
        {
          "word": "napřesrok"
        }
      ],
      "synonyms": [
        {
          "word": "v tomto roce"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈlɛtos]"
    },
    {
      "audio": "Cs-letos.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1c/Cs-letos.ogg/Cs-letos.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/1c/Cs-letos.ogg"
    }
  ],
  "word": "letos"
}

{
  "categories": [
    "Pages with 4 entries",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "letošák"
    },
    {
      "word": "letošek"
    },
    {
      "word": "letošní"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cs",
        "2": ":inh",
        "3": "zlw-ocs:letos, letose",
        "text": "+",
        "tree": "1"
      },
      "expansion": "[letos]], letose\", \"status\" : \"missing\", \"lang\" : \"zlw-ocs\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Czech\", \"term\" : \"letos\", \"status\" : \"ok\", \"lang\" : \"cs\" }\" data-lang=\"cs\" data-title=\"letos\">\nInherited from Old Czech letos, letose.",
      "name": "ety"
    }
  ],
  "etymology_text": "Inherited from Old Czech letos, letose.",
  "head_templates": [
    {
      "args": {},
      "expansion": "letos",
      "name": "cs-adv"
    }
  ],
  "hyphenations": [
    {
      "parts": [
        "le",
        "tos"
      ]
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "adv",
  "related": [
    {
      "word": "loni"
    },
    {
      "word": "napřesrok"
    }
  ],
  "senses": [
    {
      "categories": [
        "Czech adverbs",
        "Czech entries referencing missing etymons",
        "Czech entries with etymology texts",
        "Czech entries with etymon",
        "Czech entries with incorrect language header",
        "Czech lemmas",
        "Czech terms derived from Old Czech",
        "Czech terms inherited from Old Czech",
        "Czech terms with IPA pronunciation",
        "Pages using etymon with no ID",
        "Pages with 4 entries",
        "Pages with entries",
        "Pages with etymon"
      ],
      "glosses": [
        "this year"
      ],
      "links": [
        [
          "this year",
          "this year"
        ]
      ],
      "synonyms": [
        {
          "word": "v tomto roce"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈlɛtos]"
    },
    {
      "audio": "Cs-letos.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1c/Cs-letos.ogg/Cs-letos.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/1c/Cs-letos.ogg"
    }
  ],
  "word": "letos"
}