"הה״ד" meaning in Aramaic

{
  "forms": [
    {
      "form": "HH\"D",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "arc",
        "2": "phrase",
        "tr": "HH\"D"
      },
      "expansion": "הה״ד • (HH\"D)",
      "name": "head"
    }
  ],
  "lang": "Aramaic",
  "lang_code": "arc",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(hāḏā hū diḵṯīḇ): this is what is written",
          "word": "הָדָא הוּא דִּכְתִיב"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Aramaic 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"
        }
      ],
      "glosses": [
        "Abbreviation of הָדָא הוּא דִּכְתִיב (hāḏā hū diḵṯīḇ): this is what is written."
      ],
      "id": "en-הה״ד-arc-phrase-yVOGj7JZ",
      "links": [
        [
          "הָדָא",
          "הדא#Aramaic"
        ],
        [
          "הוּא",
          "הוא#Aramaic"
        ],
        [
          "דִּ",
          "ד־#Aramaic"
        ],
        [
          "כְתִיב",
          "כתיב#Aramaic"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "הה״ד"
}

{
  "forms": [
    {
      "form": "HH\"D",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "arc",
        "2": "phrase",
        "tr": "HH\"D"
      },
      "expansion": "הה״ד • (HH\"D)",
      "name": "head"
    }
  ],
  "lang": "Aramaic",
  "lang_code": "arc",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(hāḏā hū diḵṯīḇ): this is what is written",
          "word": "הָדָא הוּא דִּכְתִיב"
        }
      ],
      "categories": [
        "Aramaic abbreviations",
        "Aramaic entries with incorrect language header",
        "Aramaic lemmas",
        "Aramaic phrases",
        "Pages with 1 entry"
      ],
      "glosses": [
        "Abbreviation of הָדָא הוּא דִּכְתִיב (hāḏā hū diḵṯīḇ): this is what is written."
      ],
      "links": [
        [
          "הָדָא",
          "הדא#Aramaic"
        ],
        [
          "הוּא",
          "הוא#Aramaic"
        ],
        [
          "דִּ",
          "ד־#Aramaic"
        ],
        [
          "כְתִיב",
          "כתיב#Aramaic"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "הה״ד"
}