"eš" meaning in Czech

{
  "head_templates": [
    {
      "args": {
        "1": "n",
        "indecl": "1"
      },
      "expansion": "eš n (indeclinable)",
      "name": "cs-noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cs",
          "name": "Latin letter names",
          "orig": "cs:Latin letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The name of the Latin-script letter Š/š."
      ],
      "id": "en-eš-cs-noun-iGGfTudY",
      "links": [
        [
          "Š",
          "Š#Czech"
        ],
        [
          "š",
          "š#Czech"
        ]
      ],
      "tags": [
        "indeclinable",
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈɛʃ]"
    }
  ],
  "word": "eš"
}

{
  "head_templates": [
    {
      "args": {
        "1": "n",
        "indecl": "1"
      },
      "expansion": "eš n (indeclinable)",
      "name": "cs-noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Czech entries with incorrect language header",
        "Czech indeclinable nouns",
        "Czech lemmas",
        "Czech neuter nouns",
        "Czech nouns",
        "Czech terms with IPA pronunciation",
        "Pages with 5 entries",
        "Pages with entries",
        "cs:Latin letter names"
      ],
      "glosses": [
        "The name of the Latin-script letter Š/š."
      ],
      "links": [
        [
          "Š",
          "Š#Czech"
        ],
        [
          "š",
          "š#Czech"
        ]
      ],
      "tags": [
        "indeclinable",
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈɛʃ]"
    }
  ],
  "word": "eš"
}