"-gen" meaning in German

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "suffix",
        "cat2": "noun-forming suffixes",
        "g": "n"
      },
      "expansion": "-gen n",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "7 23 20 1 16 5 9 5 9 4",
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 4 46",
          "kind": "other",
          "name": "German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "word": "Männgen"
        },
        {
          "word": "Städtgen"
        },
        {
          "word": "Weibgen"
        },
        {
          "word": "Wölkgen"
        }
      ],
      "glosses": [
        "used to make diminutives (especially in the 18th century)"
      ],
      "id": "en--gen-de-suffix-0xQpPZIg",
      "links": [
        [
          "diminutive",
          "diminutive#English"
        ]
      ],
      "synonyms": [
        {
          "alt": "-ken",
          "word": "-chen"
        },
        {
          "alt": "-erl, -le",
          "word": "-lein"
        }
      ],
      "tags": [
        "morpheme",
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡən/"
    }
  ],
  "word": "-gen"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "de",
        "2": "grc",
        "3": "-γενής",
        "4": "",
        "5": "producer of"
      },
      "expansion": "Ancient Greek -γενής (-genḗs, “producer of”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek -γενής (-genḗs, “producer of”).",
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "suffixes"
      },
      "expansion": "-gen",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "A producer of something"
      ],
      "id": "en--gen-de-suffix-RTbQAuOS",
      "links": [
        [
          "producer",
          "producer"
        ]
      ],
      "related": [
        {
          "_dis1": "68 32",
          "word": "Genus"
        }
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "7 23 20 1 16 5 9 5 9 4",
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 4 46",
          "kind": "other",
          "name": "German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "producing something"
      ],
      "id": "en--gen-de-suffix-mIElsv1T",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡeːn/"
    }
  ],
  "word": "-gen"
}

{
  "categories": [
    "German diminutive suffixes",
    "German entries with incorrect language header",
    "German lemmas",
    "German neuter suffixes",
    "German noun-forming suffixes",
    "German suffixes",
    "German terms derived from Ancient Greek",
    "Pages using catfix",
    "Pages with 10 entries",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "Männgen"
    },
    {
      "word": "Städtgen"
    },
    {
      "word": "Weibgen"
    },
    {
      "word": "Wölkgen"
    }
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "suffix",
        "cat2": "noun-forming suffixes",
        "g": "n"
      },
      "expansion": "-gen n",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "used to make diminutives (especially in the 18th century)"
      ],
      "links": [
        [
          "diminutive",
          "diminutive#English"
        ]
      ],
      "tags": [
        "morpheme",
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡən/"
    }
  ],
  "synonyms": [
    {
      "alt": "-ken",
      "word": "-chen"
    },
    {
      "alt": "-erl, -le",
      "word": "-lein"
    }
  ],
  "word": "-gen"
}

{
  "categories": [
    "German diminutive suffixes",
    "German entries with incorrect language header",
    "German lemmas",
    "German suffixes",
    "German terms derived from Ancient Greek",
    "Pages using catfix",
    "Pages with 10 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "de",
        "2": "grc",
        "3": "-γενής",
        "4": "",
        "5": "producer of"
      },
      "expansion": "Ancient Greek -γενής (-genḗs, “producer of”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek -γενής (-genḗs, “producer of”).",
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "suffixes"
      },
      "expansion": "-gen",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "suffix",
  "related": [
    {
      "word": "Genus"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A producer of something"
      ],
      "links": [
        [
          "producer",
          "producer"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "producing something"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡeːn/"
    }
  ],
  "word": "-gen"
}