"ⲥⲃⲉ" meaning in Coptic

{
  "forms": [
    {
      "form": "sbe",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "?"
      },
      "expansion": "ⲥⲃⲉ • (sbe) m",
      "name": "cop-noun"
    }
  ],
  "lang": "Coptic",
  "lang_code": "cop",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Bohairic Coptic",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Coptic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "atrium"
      ],
      "id": "en-ⲥⲃⲉ-cop-noun-gqIIIlWC",
      "links": [
        [
          "atrium",
          "atrium#English"
        ]
      ],
      "raw_glosses": [
        "(Bohairic) atrium"
      ],
      "tags": [
        "Bohairic"
      ]
    }
  ],
  "word": "ⲥⲃⲉ"
}

{
  "forms": [
    {
      "form": "sbe",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "?"
      },
      "expansion": "ⲥⲃⲉ • (sbe) m",
      "name": "cop-noun"
    }
  ],
  "lang": "Coptic",
  "lang_code": "cop",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Bohairic Coptic",
        "Coptic entries with incorrect language header",
        "Coptic lemmas",
        "Coptic masculine nouns",
        "Coptic noun entries missing plural forms",
        "Coptic nouns",
        "Coptic terms with redundant head parameter",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "atrium"
      ],
      "links": [
        [
          "atrium",
          "atrium#English"
        ]
      ],
      "raw_glosses": [
        "(Bohairic) atrium"
      ],
      "tags": [
        "Bohairic"
      ]
    }
  ],
  "word": "ⲥⲃⲉ"
}