"عليهما" meaning in Arabic

{
  "forms": [
    {
      "form": "عَلَيْهِمَا",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʕalayhimā",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ar",
        "2": "preposition form",
        "g": "d-mf",
        "head": "عَلَيْهِمَا"
      },
      "expansion": "عَلَيْهِمَا • (ʕalayhimā) du m or du f",
      "name": "head"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "prep",
  "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 links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "ʕalā",
          "word": "عَلَى"
        }
      ],
      "glosses": [
        "second-person dual masculine/feminine of عَلَى (ʕalā)"
      ],
      "id": "en-عليهما-ar-prep--4sk3Rqa",
      "links": [
        [
          "عَلَى",
          "على#Arabic"
        ]
      ],
      "tags": [
        "dual",
        "feminine",
        "form-of",
        "masculine",
        "second-person"
      ]
    }
  ],
  "word": "عليهما"
}

{
  "forms": [
    {
      "form": "عَلَيْهِمَا",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʕalayhimā",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ar",
        "2": "preposition form",
        "g": "d-mf",
        "head": "عَلَيْهِمَا"
      },
      "expansion": "عَلَيْهِمَا • (ʕalayhimā) du m or du f",
      "name": "head"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        "Arabic entries with incorrect language header",
        "Arabic links with redundant target parameters",
        "Arabic non-lemma forms",
        "Arabic preposition forms"
      ],
      "form_of": [
        {
          "extra": "ʕalā",
          "word": "عَلَى"
        }
      ],
      "glosses": [
        "second-person dual masculine/feminine of عَلَى (ʕalā)"
      ],
      "links": [
        [
          "عَلَى",
          "على#Arabic"
        ]
      ],
      "tags": [
        "dual",
        "feminine",
        "form-of",
        "masculine",
        "second-person"
      ]
    }
  ],
  "word": "عليهما"
}