"غير أن" meaning in Arabic

{
  "forms": [
    {
      "form": "غَيْرَ أَنَّ",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ḡayra ʔanna",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "غَيْرَ أَنَّ"
      },
      "expansion": "غَيْرَ أَنَّ • (ḡayra ʔanna)",
      "name": "ar-con"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "68 32",
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "89 11",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "only"
      ],
      "id": "en-غير_أن-ar-conj--QWxlULt",
      "links": [
        [
          "only",
          "only"
        ]
      ]
    },
    {
      "glosses": [
        "but, however, except that"
      ],
      "id": "en-غير_أن-ar-conj-lrCz8lD8",
      "links": [
        [
          "but",
          "but"
        ],
        [
          "however",
          "however"
        ],
        [
          "except that",
          "except that"
        ]
      ]
    }
  ],
  "word": "غير أن"
}

{
  "categories": [
    "Arabic conjunctions",
    "Arabic entries with incorrect language header",
    "Arabic lemmas",
    "Arabic multiword terms",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "غَيْرَ أَنَّ",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ḡayra ʔanna",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "غَيْرَ أَنَّ"
      },
      "expansion": "غَيْرَ أَنَّ • (ḡayra ʔanna)",
      "name": "ar-con"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "conj",
  "senses": [
    {
      "glosses": [
        "only"
      ],
      "links": [
        [
          "only",
          "only"
        ]
      ]
    },
    {
      "glosses": [
        "but, however, except that"
      ],
      "links": [
        [
          "but",
          "but"
        ],
        [
          "however",
          "however"
        ],
        [
          "except that",
          "except that"
        ]
      ]
    }
  ],
  "word": "غير أن"
}