"henen" meaning in Middle English

{
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "adverb"
      },
      "expansion": "henen",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "And yet I have always a young man's desires,\nAs many years as have passed hence\nSince my tap of life began to run.",
          "ref": "late 14th century, Geoffrey Chaucer, The Reeve's Prologue, The Canterbury Tales, line 3888-3890",
          "roman": "Sin that my tappe of lyf bigan to renne.",
          "text": "And yet ik have alwey a coltes tooth,\nAs many a yeer as it is passed henne",
          "type": "quotation"
        }
      ],
      "glosses": [
        "hence"
      ],
      "id": "en-henen-enm-adv-RKU~j8qH",
      "links": [
        [
          "hence",
          "hence"
        ]
      ],
      "synonyms": [
        {
          "word": "henne"
        },
        {
          "word": "hennes"
        }
      ]
    }
  ],
  "word": "henen"
}

{
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "adverb"
      },
      "expansion": "henen",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Middle English adverbs",
        "Middle English entries with incorrect language header",
        "Middle English lemmas",
        "Middle English terms with quotations"
      ],
      "examples": [
        {
          "english": "And yet I have always a young man's desires,\nAs many years as have passed hence\nSince my tap of life began to run.",
          "ref": "late 14th century, Geoffrey Chaucer, The Reeve's Prologue, The Canterbury Tales, line 3888-3890",
          "roman": "Sin that my tappe of lyf bigan to renne.",
          "text": "And yet ik have alwey a coltes tooth,\nAs many a yeer as it is passed henne",
          "type": "quotation"
        }
      ],
      "glosses": [
        "hence"
      ],
      "links": [
        [
          "hence",
          "hence"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "henne"
    },
    {
      "word": "hennes"
    }
  ],
  "word": "henen"
}