"◌̄" meaning in Old English

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "enm",
            "2": "~"
          },
          "expansion": "Middle English: ~",
          "name": "desctree"
        }
      ],
      "text": "Middle English: ~"
    }
  ],
  "lang": "Old English",
  "lang_code": "ang",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Old English 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": "Old English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old English terms in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 9 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "(translation from “A Translation of the Anglo-Saxon Poem of Beowulf With a Copious Glossary Preface and Philological Notes” by John M. Kemble, 1837, London: William Pickering, “Beowulf.”, page 1)",
          "ref": "c. 975–1025, Beowulf (Cotton MS Vitellius A XV), published 4th quarter 10th century–2nd half 16th century, page 132r, lines 4–6:",
          "roman": "oft scyld scefing sceaþen[a] þreatum monegū mægþum meodo setla of teah egsode eorl syððan ærest wearð fea sceaft funden",
          "type": "quote"
        }
      ],
      "glosses": [
        "Written on a letter, usually a vowel, in place of an omitted n or m."
      ],
      "id": "en-◌̄-ang-character-K3-c53rH",
      "tags": [
        "diacritic"
      ]
    }
  ],
  "word": "◌̄"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "enm",
            "2": "~"
          },
          "expansion": "Middle English: ~",
          "name": "desctree"
        }
      ],
      "text": "Middle English: ~"
    }
  ],
  "lang": "Old English",
  "lang_code": "ang",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "Old English diacritical marks",
        "Old English entries with incorrect language header",
        "Old English lemmas",
        "Old English terms in nonstandard scripts",
        "Pages with 9 entries",
        "Pages with entries",
        "Requests for native script in Old English quotations"
      ],
      "examples": [
        {
          "english": "(translation from “A Translation of the Anglo-Saxon Poem of Beowulf With a Copious Glossary Preface and Philological Notes” by John M. Kemble, 1837, London: William Pickering, “Beowulf.”, page 1)",
          "ref": "c. 975–1025, Beowulf (Cotton MS Vitellius A XV), published 4th quarter 10th century–2nd half 16th century, page 132r, lines 4–6:",
          "roman": "oft scyld scefing sceaþen[a] þreatum monegū mægþum meodo setla of teah egsode eorl syððan ærest wearð fea sceaft funden",
          "type": "quote"
        }
      ],
      "glosses": [
        "Written on a letter, usually a vowel, in place of an omitted n or m."
      ],
      "tags": [
        "diacritic"
      ]
    }
  ],
  "word": "◌̄"
}