"-구-" meaning in All languages combined

{
  "forms": [
    {
      "form": "구",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "-gu-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "구 • (-gu-)",
      "name": "ko-suffix"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "달다 (dalda, “(of metal) to become heated”) + 구 (-gu-) → 달구다 (dalguda, “to heat (metal)”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Derives certain causative verbs. No longer productive."
      ],
      "id": "en--구--ko-suffix-AYf48L3u",
      "synonyms": [
        {
          "word": "-이-"
        },
        {
          "word": "-히-"
        },
        {
          "word": "-리-"
        },
        {
          "word": "-기-"
        },
        {
          "word": "-우-"
        },
        {
          "word": "-추-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-구-"
}

{
  "forms": [
    {
      "form": "구",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "-gu-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "구 • (-gu-)",
      "name": "ko-suffix"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean suffixes",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Korean terms without ko-IPA template"
      ],
      "examples": [
        {
          "text": "달다 (dalda, “(of metal) to become heated”) + 구 (-gu-) → 달구다 (dalguda, “to heat (metal)”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Derives certain causative verbs. No longer productive."
      ],
      "synonyms": [
        {
          "word": "-이-"
        },
        {
          "word": "-히-"
        },
        {
          "word": "-리-"
        },
        {
          "word": "-기-"
        },
        {
          "word": "-우-"
        },
        {
          "word": "-추-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-구-"
}