"底辺" meaning in Japanese

{
  "antonyms": [
    {
      "english": "top",
      "roman": "chōten",
      "ruby": [
        [
          "頂点",
          "ちょうてん"
        ]
      ],
      "word": "頂点"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "底",
        "2": "てい",
        "3": "辺",
        "4": "へん",
        "t1": "bottom",
        "t2": "edge"
      },
      "expansion": "底(てい) (tei, “bottom”) + 辺(へん) (hen, “edge”)",
      "name": "com-ja"
    }
  ],
  "etymology_text": "Compound of 底(てい) (tei, “bottom”) + 辺(へん) (hen, “edge”).",
  "forms": [
    {
      "form": "底辺",
      "ruby": [
        [
          "底",
          "てい"
        ],
        [
          "辺",
          "へん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "teihen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ていへん"
      },
      "expansion": "底(てい)辺(へん) • (teihen)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Geometry",
          "orig": "ja:Geometry",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "67 33",
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "base"
      ],
      "id": "en-底辺-ja-noun-yuZiFy~U",
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "base",
          "base"
        ]
      ],
      "raw_glosses": [
        "(geometry) base"
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "_dis": "23 77",
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "37 63",
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "7 93",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "bottom (of the lower class)"
      ],
      "id": "en-底辺-ja-noun-aV2lEtqh",
      "links": [
        [
          "bottom",
          "bottom"
        ],
        [
          "lower class",
          "lower class"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[te̞ːhẽ̞ɴ]"
    }
  ],
  "word": "底辺"
}

{
  "antonyms": [
    {
      "english": "top",
      "roman": "chōten",
      "ruby": [
        [
          "頂点",
          "ちょうてん"
        ]
      ],
      "word": "頂点"
    }
  ],
  "categories": [
    "Japanese compound terms",
    "Japanese entries with incorrect language header",
    "Japanese lemmas",
    "Japanese links with redundant alt parameters",
    "Japanese links with redundant wikilinks",
    "Japanese nouns",
    "Japanese terms spelled with fourth grade kanji",
    "Japanese terms with 2 kanji",
    "Japanese terms with IPA pronunciation",
    "Japanese terms with IPA pronunciation missing pitch accent",
    "Japanese terms with redundant sortkeys",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "底",
        "2": "てい",
        "3": "辺",
        "4": "へん",
        "t1": "bottom",
        "t2": "edge"
      },
      "expansion": "底(てい) (tei, “bottom”) + 辺(へん) (hen, “edge”)",
      "name": "com-ja"
    }
  ],
  "etymology_text": "Compound of 底(てい) (tei, “bottom”) + 辺(へん) (hen, “edge”).",
  "forms": [
    {
      "form": "底辺",
      "ruby": [
        [
          "底",
          "てい"
        ],
        [
          "辺",
          "へん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "teihen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ていへん"
      },
      "expansion": "底(てい)辺(へん) • (teihen)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "ja:Geometry"
      ],
      "glosses": [
        "base"
      ],
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "base",
          "base"
        ]
      ],
      "raw_glosses": [
        "(geometry) base"
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    },
    {
      "glosses": [
        "bottom (of the lower class)"
      ],
      "links": [
        [
          "bottom",
          "bottom"
        ],
        [
          "lower class",
          "lower class"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[te̞ːhẽ̞ɴ]"
    }
  ],
  "word": "底辺"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "底辺"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "底辺",
  "trace": ""
}