"◌̊" meaning in Czech

{
  "etymology_text": "Originated as a small letter o written above the letter u, from an earlier spelling uo.",
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Czech diacritical marks",
          "parents": [
            "Diacritical marks",
            "Letters, symbols, and punctuation",
            "Symbols",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech terms in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A diacritical mark of the Latin script, called kroužek (“ring”) in Czech, and found on Ů/ů."
      ],
      "id": "en-◌̊-cs-character-~prqzSoz",
      "links": [
        [
          "diacritical mark",
          "diacritical mark"
        ],
        [
          "kroužek",
          "kroužek#Czech"
        ],
        [
          "Ů",
          "Ů#Czech"
        ],
        [
          "ů",
          "ů#Czech"
        ]
      ],
      "tags": [
        "diacritic"
      ]
    }
  ],
  "word": "◌̊"
}

{
  "etymology_text": "Originated as a small letter o written above the letter u, from an earlier spelling uo.",
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "Czech diacritical marks",
        "Czech entries with incorrect language header",
        "Czech lemmas",
        "Czech terms in nonstandard scripts",
        "Czech terms with redundant script codes"
      ],
      "glosses": [
        "A diacritical mark of the Latin script, called kroužek (“ring”) in Czech, and found on Ů/ů."
      ],
      "links": [
        [
          "diacritical mark",
          "diacritical mark"
        ],
        [
          "kroužek",
          "kroužek#Czech"
        ],
        [
          "Ů",
          "Ů#Czech"
        ],
        [
          "ů",
          "ů#Czech"
        ]
      ],
      "tags": [
        "diacritic"
      ]
    }
  ],
  "word": "◌̊"
}