"◌̌" meaning in Yoruba

{
  "lang": "Yoruba",
  "lang_code": "yo",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Yoruba 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": "Yoruba entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Yoruba terms in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A diacritical mark of the Latin script, called àmì ohùn ẹlẹ́yọ̀ọ́ròkè (“rising-tone mark”). Formerly used to indicate rising-tone, now written as ◌̀ followed by ◌́"
      ],
      "id": "en-◌̌-yo-character-HAa~8lKb",
      "links": [
        [
          "diacritical mark",
          "diacritical mark#English"
        ],
        [
          "Latin script",
          "Latin script#English"
        ],
        [
          "àmì ohùn ẹlẹ́yọ̀ọ́ròkè",
          "ami ohun ẹlẹyọọroke#Yoruba"
        ],
        [
          "◌̀",
          "`#Yoruba"
        ],
        [
          "◌́",
          "ˊ#Yoruba"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A diacritical mark of the Latin script, called àmì ohùn ẹlẹ́yọ̀ọ́ròkè (“rising-tone mark”). Formerly used to indicate rising-tone, now written as ◌̀ followed by ◌́"
      ],
      "related": [
        {
          "english": "rising tone",
          "word": "ìró ohùn ẹlẹ́yọ̀ọ́ròkè"
        },
        {
          "word": "◌̀"
        },
        {
          "word": "◌́"
        },
        {
          "tags": [
            "obsolete"
          ],
          "word": "◌̂"
        },
        {
          "word": "◌̄"
        }
      ],
      "tags": [
        "diacritic",
        "obsolete"
      ]
    }
  ],
  "word": "◌̌"
}

{
  "lang": "Yoruba",
  "lang_code": "yo",
  "pos": "character",
  "related": [
    {
      "english": "rising tone",
      "word": "ìró ohùn ẹlẹ́yọ̀ọ́ròkè"
    },
    {
      "word": "◌̀"
    },
    {
      "word": "◌́"
    },
    {
      "tags": [
        "obsolete"
      ],
      "word": "◌̂"
    },
    {
      "word": "◌̄"
    }
  ],
  "senses": [
    {
      "categories": [
        "Yoruba diacritical marks",
        "Yoruba entries with incorrect language header",
        "Yoruba lemmas",
        "Yoruba terms in nonstandard scripts",
        "Yoruba terms with obsolete senses"
      ],
      "glosses": [
        "A diacritical mark of the Latin script, called àmì ohùn ẹlẹ́yọ̀ọ́ròkè (“rising-tone mark”). Formerly used to indicate rising-tone, now written as ◌̀ followed by ◌́"
      ],
      "links": [
        [
          "diacritical mark",
          "diacritical mark#English"
        ],
        [
          "Latin script",
          "Latin script#English"
        ],
        [
          "àmì ohùn ẹlẹ́yọ̀ọ́ròkè",
          "ami ohun ẹlẹyọọroke#Yoruba"
        ],
        [
          "◌̀",
          "`#Yoruba"
        ],
        [
          "◌́",
          "ˊ#Yoruba"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A diacritical mark of the Latin script, called àmì ohùn ẹlẹ́yọ̀ọ́ròkè (“rising-tone mark”). Formerly used to indicate rising-tone, now written as ◌̀ followed by ◌́"
      ],
      "tags": [
        "diacritic",
        "obsolete"
      ]
    }
  ],
  "word": "◌̌"
}