"-chin" meaning in Middle English

{
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "ang",
        "3": "-ċin"
      },
      "expansion": "Old English -ċin",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "gmw-pro",
        "3": "*-ikīn"
      },
      "expansion": "Proto-West Germanic *-ikīn",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "-ok",
        "3": "-en"
      },
      "expansion": "-ok + -en",
      "name": "af"
    }
  ],
  "etymology_text": "From Old English -ċin, variant of -ċen, from Proto-West Germanic *-ikīn, *-ukīn, equivalent to -ok + -en.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "suffix"
      },
      "expansion": "-chin",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "suffix",
  "senses": [
    {
      "alt_of": [
        {
          "word": "-chen"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle English terms suffixed with -en",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle English terms suffixed with -ok",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "bullock",
          "word": "bulchin"
        },
        {
          "word": "clouchin"
        }
      ],
      "glosses": [
        "Alternative form of -chen"
      ],
      "id": "en--chin-enm-suffix-uRY8G4WY",
      "links": [
        [
          "-chen",
          "-chen#Middle English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    }
  ],
  "word": "-chin"
}

{
  "derived": [
    {
      "english": "bullock",
      "word": "bulchin"
    },
    {
      "word": "clouchin"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "ang",
        "3": "-ċin"
      },
      "expansion": "Old English -ċin",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "gmw-pro",
        "3": "*-ikīn"
      },
      "expansion": "Proto-West Germanic *-ikīn",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "-ok",
        "3": "-en"
      },
      "expansion": "-ok + -en",
      "name": "af"
    }
  ],
  "etymology_text": "From Old English -ċin, variant of -ċen, from Proto-West Germanic *-ikīn, *-ukīn, equivalent to -ok + -en.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "suffix"
      },
      "expansion": "-chin",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "suffix",
  "senses": [
    {
      "alt_of": [
        {
          "word": "-chen"
        }
      ],
      "categories": [
        "Middle English entries with incorrect language header",
        "Middle English lemmas",
        "Middle English suffixes",
        "Middle English terms derived from Old English",
        "Middle English terms derived from Proto-West Germanic",
        "Middle English terms inherited from Old English",
        "Middle English terms inherited from Proto-West Germanic",
        "Middle English terms suffixed with -en",
        "Middle English terms suffixed with -ok"
      ],
      "glosses": [
        "Alternative form of -chen"
      ],
      "links": [
        [
          "-chen",
          "-chen#Middle English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    }
  ],
  "word": "-chin"
}