"⠨⠮" meaning in Navajo

{
  "etymology_text": "The ogonek diacritic ⠨ and the letter ⠮ (é)",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "letter",
        "sc": "Brai",
        "tr": "-"
      },
      "expansion": "⠨⠮",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Navajo entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Navajo entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Navajo terms in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Navajo terms with non-redundant manual script codes",
          "parents": [
            "Terms with non-redundant manual script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "ę́"
      ],
      "id": "en-⠨⠮-nv-character-28bmP4g~",
      "links": [
        [
          "ę́",
          "ę́#Navajo"
        ]
      ],
      "qualifier": "Braille",
      "raw_glosses": [
        "(Braille) ę́"
      ],
      "tags": [
        "letter"
      ]
    }
  ],
  "word": "⠨⠮"
}

{
  "etymology_text": "The ogonek diacritic ⠨ and the letter ⠮ (é)",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "letter",
        "sc": "Brai",
        "tr": "-"
      },
      "expansion": "⠨⠮",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "Navajo Braille letters",
        "Navajo entries with incorrect language header",
        "Navajo entries with language name categories using raw markup",
        "Navajo lemmas",
        "Navajo letters",
        "Navajo terms in nonstandard scripts",
        "Navajo terms with non-redundant manual script codes"
      ],
      "glosses": [
        "ę́"
      ],
      "links": [
        [
          "ę́",
          "ę́#Navajo"
        ]
      ],
      "qualifier": "Braille",
      "raw_glosses": [
        "(Braille) ę́"
      ],
      "tags": [
        "letter"
      ]
    }
  ],
  "word": "⠨⠮"
}