"ד״ר" meaning in Yiddish

{
  "etymology_templates": [
    {
      "args": {
        "1": "yi",
        "2": "he",
        "3": "ד״ר"
      },
      "expansion": "Hebrew ד״ר",
      "name": "der"
    }
  ],
  "etymology_text": "Either a naturally formed shortening or derived from the Hebrew ד״ר.",
  "forms": [
    {
      "form": "D'r",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "yi",
        "2": "noun",
        "tr": "D'r"
      },
      "expansion": "ד״ר • (D'r)",
      "name": "head"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Yiddish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Yiddish terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Dr., Dr: title used for those with doctoral degrees, including medical doctors; abbreviation of דאָקטער (dokter)."
      ],
      "id": "en-ד״ר-yi-noun-ym0uF-oN",
      "links": [
        [
          "Dr.",
          "Dr."
        ],
        [
          "Dr",
          "Dr"
        ],
        [
          "דאָקטער",
          "דאָקטער#Yiddish"
        ]
      ]
    }
  ],
  "word": "ד״ר"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "yi",
        "2": "he",
        "3": "ד״ר"
      },
      "expansion": "Hebrew ד״ר",
      "name": "der"
    }
  ],
  "etymology_text": "Either a naturally formed shortening or derived from the Hebrew ד״ר.",
  "forms": [
    {
      "form": "D'r",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "yi",
        "2": "noun",
        "tr": "D'r"
      },
      "expansion": "ד״ר • (D'r)",
      "name": "head"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Yiddish entries with incorrect language header",
        "Yiddish lemmas",
        "Yiddish nouns",
        "Yiddish terms derived from Hebrew",
        "Yiddish terms with non-redundant manual transliterations"
      ],
      "glosses": [
        "Dr., Dr: title used for those with doctoral degrees, including medical doctors; abbreviation of דאָקטער (dokter)."
      ],
      "links": [
        [
          "Dr.",
          "Dr."
        ],
        [
          "Dr",
          "Dr"
        ],
        [
          "דאָקטער",
          "דאָקטער#Yiddish"
        ]
      ]
    }
  ],
  "word": "ד״ר"
}