Etymology of scrub

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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      },
      "expansion": "Middle English shrobbe"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "ang",
        "3": "scrybb"
      },
      "expansion": "Old English scrybb"
    },
    {
      "name": "doublet",
      "args": {
        "1": "en",
        "2": "shrub"
      },
      "expansion": "Doublet of shrub"
    }
  ],
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    [
      "shrobbe",
      "shrobbe#Middle_English"
    ],
    [
      "shrub",
      "shrub#English"
    ],
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      "scrybb",
      "scrybb#Old_English"
    ],
    [
      "shrub",
      "shrub#English"
    ]
  ],
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  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "A thicket or jungle, often specified by the name of the prevailing plant.",
        "Vegetation judged to be of inferior quality or of little use to humans, though sometimes thick and impenetrable, growing in poor soil or in sand; also, brush.",
        "One of the common livestock of a region of no particular breed or not of pure breed, especially when inferior in size, etc.; particularly a male animal poorly suited for breeding.",
        "One who labors hard and lives meanly."
      ],
      "tags": [
        "uncountable",
        "US",
        "countable",
        "derogatory"
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    {
      "pos": "adj",
      "glosses": [
        "Mean; dirty; contemptible; scrubby."
      ],
      "tags": [
        "obsolete"
      ],
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Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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      "args": {
        "1": "+s"
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      "expansion": ""
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    {
      "name": "inh",
      "args": {
        "1": "en",
        "2": "enm",
        "3": "scrobben",
        "4": "",
        "5": "groom a horse with a currycomb"
      },
      "expansion": "Middle English scrobben (“groom a horse with a currycomb”)"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "dum",
        "3": "schrobben",
        "4": "",
        "5": "clean by scrubbing"
      },
      "expansion": "Middle Dutch schrobben (“clean by scrubbing”)"
    }
  ],
  "links": [
    [
      "scrobben",
      "scrobben#Middle_English"
    ],
    [
      "currycomb",
      "currycomb"
    ],
    [
      "schrobben",
      "schrobben#Middle_Dutch"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "An instance of scrubbing.",
        "A cancellation.",
        "A worn-out brush.",
        "One who scrubs."
      ],
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      "sourceRecordOrdinal": 44882
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    {
      "pos": "verb",
      "glosses": [
        "To rub hard; to wash with rubbing; usually, to rub with a wet brush, sponge or with something coarse or rough, for the purpose of cleaning or brightening.",
        "To rub anything vigorously, especially with a wet brush; to scour.",
        "Synonym of scrub in (“To thoroughly wash one's hands and forearms in preparation for performing a surgery”).",
        "To be diligent and penurious."
      ],
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