"◌̄" 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": "other",
          "name": "Old English diacritical marks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old English terms in nonstandard scripts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 10 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 10 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": "◌̄"
}