"穴居人" meaning in Japanese

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        "2": "穴",
        "3": "居",
        "4": "人",
        "lit": "hole-dwelling person",
        "t1": "hole",
        "t2": "live, reside",
        "t3": "person",
        "tr1": "ketsu",
        "tr2": "kyo",
        "tr3": "jin"
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      "expansion": "By surface analysis, 穴 (ketsu, “hole”) + 居 (kyo, “live, reside”) + 人 (jin, “person”), literally “hole-dwelling person”",
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  "etymology_text": "By surface analysis, 穴 (ketsu, “hole”) + 居 (kyo, “live, reside”) + 人 (jin, “person”), literally “hole-dwelling person”. Maybe Middle Chinese.",
  "forms": [
    {
      "form": "穴居人",
      "ruby": [
        [
          "穴",
          "けっ"
        ],
        [
          "居",
          "きょ"
        ],
        [
          "人",
          "じん"
        ]
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      "args": {
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      "glosses": [
        "caveman; troglodyte"
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          "caveman",
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          "troglodyte",
          "troglodyte"
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  "word": "穴居人"
}

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        "2": "穴",
        "3": "居",
        "4": "人",
        "lit": "hole-dwelling person",
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        "t2": "live, reside",
        "t3": "person",
        "tr1": "ketsu",
        "tr2": "kyo",
        "tr3": "jin"
      },
      "expansion": "By surface analysis, 穴 (ketsu, “hole”) + 居 (kyo, “live, reside”) + 人 (jin, “person”), literally “hole-dwelling person”",
      "name": "surf"
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  "etymology_text": "By surface analysis, 穴 (ketsu, “hole”) + 居 (kyo, “live, reside”) + 人 (jin, “person”), literally “hole-dwelling person”. Maybe Middle Chinese.",
  "forms": [
    {
      "form": "穴居人",
      "ruby": [
        [
          "穴",
          "けっ"
        ],
        [
          "居",
          "きょ"
        ],
        [
          "人",
          "じん"
        ]
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  "subsection": "noun",
  "title": "穴居人",
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