"◌̀" meaning in Translingual

{
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "IPA symbols",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a low tone."
      ],
      "id": "en-◌̀-mul-character--cIizqox",
      "links": [
        [
          "tone",
          "tone"
        ]
      ],
      "raw_glosses": [
        "(IPA) a low tone."
      ],
      "tags": [
        "IPA",
        "diacritic"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "IPA symbols",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "4 2 3 11 13 10 5 6 2 6 9 9 0 16 2 3",
          "kind": "other",
          "name": "Pages with 19 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "4 1 2 11 15 11 5 6 1 7 9 9 0 17 1 2",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 69 18 13",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "0 54 16 31",
          "kind": "topical",
          "name": "Translingual diacritical marks",
          "parents": [
            "Diacritical marks",
            "Letters, symbols, and punctuation",
            "Symbols",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "a falling tone, or, in contrast to low ⟨◌̖⟩, a high falling tone."
      ],
      "id": "en-◌̀-mul-character-~lxvqnnX",
      "links": [
        [
          "tone",
          "tone"
        ],
        [
          "◌̖",
          "◌̖"
        ]
      ],
      "raw_glosses": [
        "(IPA, obsolete) a falling tone, or, in contrast to low ⟨◌̖⟩, a high falling tone."
      ],
      "tags": [
        "IPA",
        "diacritic",
        "obsolete"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "UPA symbols",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a slightly long vowel or consonant; between unmarked length and half-long ⟨◌͐⟩."
      ],
      "id": "en-◌̀-mul-character-SSfXqZsy",
      "links": [
        [
          "◌͐",
          "◌͐"
        ]
      ],
      "raw_glosses": [
        "(UPA) a slightly long vowel or consonant; between unmarked length and half-long ⟨◌͐⟩."
      ],
      "tags": [
        "UPA",
        "diacritic"
      ]
    },
    {
      "glosses": [
        "Marks a stressed short syllable."
      ],
      "id": "en-◌̀-mul-character-lbxTrU15",
      "links": [
        [
          "stressed",
          "stressed#English"
        ]
      ],
      "raw_glosses": [
        "(Lithuanian dialectology) Marks a stressed short syllable."
      ],
      "tags": [
        "Lithuanian",
        "diacritic"
      ],
      "topics": [
        "dialectology",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 53 47 0",
      "word": "[1]: ˩"
    }
  ],
  "word": "◌̀"
}

{
  "categories": [
    "Pages with 19 entries",
    "Pages with entries",
    "Translingual diacritical marks",
    "Translingual entries with incorrect language header",
    "Translingual lemmas"
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "IPA symbols"
      ],
      "glosses": [
        "a low tone."
      ],
      "links": [
        [
          "tone",
          "tone"
        ]
      ],
      "raw_glosses": [
        "(IPA) a low tone."
      ],
      "tags": [
        "IPA",
        "diacritic"
      ]
    },
    {
      "categories": [
        "IPA symbols",
        "Translingual terms with obsolete senses"
      ],
      "glosses": [
        "a falling tone, or, in contrast to low ⟨◌̖⟩, a high falling tone."
      ],
      "links": [
        [
          "tone",
          "tone"
        ],
        [
          "◌̖",
          "◌̖"
        ]
      ],
      "raw_glosses": [
        "(IPA, obsolete) a falling tone, or, in contrast to low ⟨◌̖⟩, a high falling tone."
      ],
      "tags": [
        "IPA",
        "diacritic",
        "obsolete"
      ]
    },
    {
      "categories": [
        "UPA symbols"
      ],
      "glosses": [
        "a slightly long vowel or consonant; between unmarked length and half-long ⟨◌͐⟩."
      ],
      "links": [
        [
          "◌͐",
          "◌͐"
        ]
      ],
      "raw_glosses": [
        "(UPA) a slightly long vowel or consonant; between unmarked length and half-long ⟨◌͐⟩."
      ],
      "tags": [
        "UPA",
        "diacritic"
      ]
    },
    {
      "glosses": [
        "Marks a stressed short syllable."
      ],
      "links": [
        [
          "stressed",
          "stressed#English"
        ]
      ],
      "raw_glosses": [
        "(Lithuanian dialectology) Marks a stressed short syllable."
      ],
      "tags": [
        "Lithuanian",
        "diacritic"
      ],
      "topics": [
        "dialectology",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "[1]: ˩"
    }
  ],
  "word": "◌̀"
}