"◌᷀" meaning in Ancient Greek

{
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "diacritic"
      },
      "expansion": "◌᷀",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek diacritics",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ancient Greek terms in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Template parameters needing attention",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "An amended grave accent, with correction points indicating that it was manually changed (either added or marked as spurious) by a copy-editor."
      ],
      "id": "en-◌᷀-grc-character-6-DYCESl",
      "links": [
        [
          "grave accent",
          "grave accent"
        ]
      ],
      "raw_glosses": [
        "(papyrology) An amended grave accent, with correction points indicating that it was manually changed (either added or marked as spurious) by a copy-editor."
      ],
      "tags": [
        "diacritic"
      ],
      "topics": [
        "history",
        "human-sciences",
        "papyrology",
        "sciences"
      ]
    }
  ],
  "word": "◌᷀"
}

{
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "diacritic"
      },
      "expansion": "◌᷀",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "Ancient Greek diacritics",
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek terms in nonstandard scripts",
        "Ancient Greek terms spelled with ◌᷀",
        "Pages with 1 entry",
        "Pages with entries",
        "Template parameters needing attention"
      ],
      "glosses": [
        "An amended grave accent, with correction points indicating that it was manually changed (either added or marked as spurious) by a copy-editor."
      ],
      "links": [
        [
          "grave accent",
          "grave accent"
        ]
      ],
      "raw_glosses": [
        "(papyrology) An amended grave accent, with correction points indicating that it was manually changed (either added or marked as spurious) by a copy-editor."
      ],
      "tags": [
        "diacritic"
      ],
      "topics": [
        "history",
        "human-sciences",
        "papyrology",
        "sciences"
      ]
    }
  ],
  "word": "◌᷀"
}