"schriven" meaning in Middle English

{
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "verb"
      },
      "expansion": "schriven",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "shryven"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of shryven"
      ],
      "id": "en-schriven-enm-verb-0cnBQbQB",
      "links": [
        [
          "shryven",
          "shryven#Middle English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "schriven"
}

{
  "categories": [
    "Middle Low German class 1 strong verbs",
    "Middle Low German entries with incorrect language header",
    "Middle Low German lemmas",
    "Middle Low German strong verbs",
    "Middle Low German terms derived from Latin",
    "Middle Low German terms derived from Old Saxon",
    "Middle Low German terms derived from Proto-Germanic",
    "Middle Low German terms derived from Proto-West Germanic",
    "Middle Low German terms inherited from Old Saxon",
    "Middle Low German terms inherited from Proto-Germanic",
    "Middle Low German terms inherited from Proto-West Germanic",
    "Middle Low German terms with IPA pronunciation",
    "Middle Low German verbs"
  ],
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "verb"
      },
      "expansion": "schriven",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "shryven"
        }
      ],
      "categories": [
        "Middle English entries with incorrect language header",
        "Middle English lemmas",
        "Middle English verbs"
      ],
      "glosses": [
        "Alternative form of shryven"
      ],
      "links": [
        [
          "shryven",
          "shryven#Middle English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "schriven"
}