"مساء الخير" meaning in Arabic

{
  "forms": [
    {
      "form": "مَسَاء الخَيْر",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "masāʔ al-ḵayr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "مَسَاء الخَيْر"
      },
      "expansion": "مَسَاء الخَيْر • (masāʔ al-ḵayr)",
      "name": "ar-interj"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Arabic phrasebook",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "good evening"
      ],
      "id": "en-مساء_الخير-ar-intj-GyOTsc03",
      "links": [
        [
          "good evening",
          "good evening"
        ]
      ],
      "related": [
        {
          "english": "the answer",
          "roman": "masāʔ an-nūr",
          "word": "مَسَاء النُّور"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ma.saːʔ al.xajr/"
    }
  ],
  "word": "مساء الخير"
}

{
  "forms": [
    {
      "form": "مَسَاء الخَيْر",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "masāʔ al-ḵayr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "مَسَاء الخَيْر"
      },
      "expansion": "مَسَاء الخَيْر • (masāʔ al-ḵayr)",
      "name": "ar-interj"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "intj",
  "related": [
    {
      "english": "the answer",
      "roman": "masāʔ an-nūr",
      "word": "مَسَاء النُّور"
    }
  ],
  "senses": [
    {
      "categories": [
        "Arabic entries with incorrect language header",
        "Arabic interjections",
        "Arabic lemmas",
        "Arabic multiword terms",
        "Arabic phrasebook",
        "Arabic phrases",
        "Arabic terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "good evening"
      ],
      "links": [
        [
          "good evening",
          "good evening"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ma.saːʔ al.xajr/"
    }
  ],
  "word": "مساء الخير"
}