"先々月" meaning in Japanese

{
  "forms": [
    {
      "form": "先々月",
      "ruby": [
        [
          "先",
          "せん"
        ],
        [
          "々",
          "せん"
        ],
        [
          "月",
          "げつ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sensengetsu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "せんせんげつ"
      },
      "expansion": "先(せん)々(せん)月(げつ) • (sensengetsu)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Past",
          "orig": "ja:Past",
          "parents": [
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the month before last; two months ago"
      ],
      "id": "en-先々月-ja-noun-Unqyn5h5",
      "links": [
        [
          "month",
          "month"
        ]
      ],
      "related": [
        {
          "word": "日"
        },
        {
          "word": "一昨昨日"
        },
        {
          "word": "一昨日"
        },
        {
          "word": "昨日"
        },
        {
          "word": "今日"
        },
        {
          "word": "明日"
        },
        {
          "word": "明後日"
        },
        {
          "word": "毎日"
        },
        {
          "word": "朝"
        },
        {
          "word": "—"
        },
        {
          "word": "一昨朝"
        },
        {
          "word": "昨朝"
        },
        {
          "word": "今朝"
        },
        {
          "word": "明朝"
        },
        {
          "word": "毎朝"
        },
        {
          "word": "晩"
        },
        {
          "word": "一昨晩"
        },
        {
          "word": "昨晩"
        },
        {
          "word": "今晩"
        },
        {
          "word": "明晩"
        },
        {
          "word": "毎晩"
        },
        {
          "word": "週"
        },
        {
          "word": "先々週"
        },
        {
          "word": "先週"
        },
        {
          "word": "今週"
        },
        {
          "word": "来週"
        },
        {
          "word": "再来週"
        },
        {
          "word": "毎週"
        },
        {
          "word": "月"
        },
        {
          "word": "先月"
        },
        {
          "word": "今月"
        },
        {
          "word": "来月"
        },
        {
          "word": "再来月"
        },
        {
          "word": "毎月"
        },
        {
          "word": "年"
        },
        {
          "word": "一昨昨年"
        },
        {
          "word": "一昨年"
        },
        {
          "word": "去年"
        },
        {
          "word": "今年"
        },
        {
          "word": "来年"
        },
        {
          "word": "再来年"
        },
        {
          "word": "毎年"
        }
      ]
    }
  ],
  "word": "先々月"
}

{
  "forms": [
    {
      "form": "先々月",
      "ruby": [
        [
          "先",
          "せん"
        ],
        [
          "々",
          "せん"
        ],
        [
          "月",
          "げつ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sensengetsu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "せんせんげつ"
      },
      "expansion": "先(せん)々(せん)月(げつ) • (sensengetsu)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "word": "日"
    },
    {
      "word": "一昨昨日"
    },
    {
      "word": "一昨日"
    },
    {
      "word": "昨日"
    },
    {
      "word": "今日"
    },
    {
      "word": "明日"
    },
    {
      "word": "明後日"
    },
    {
      "word": "毎日"
    },
    {
      "word": "朝"
    },
    {
      "word": "—"
    },
    {
      "word": "一昨朝"
    },
    {
      "word": "昨朝"
    },
    {
      "word": "今朝"
    },
    {
      "word": "明朝"
    },
    {
      "word": "毎朝"
    },
    {
      "word": "晩"
    },
    {
      "word": "一昨晩"
    },
    {
      "word": "昨晩"
    },
    {
      "word": "今晩"
    },
    {
      "word": "明晩"
    },
    {
      "word": "毎晩"
    },
    {
      "word": "週"
    },
    {
      "word": "先々週"
    },
    {
      "word": "先週"
    },
    {
      "word": "今週"
    },
    {
      "word": "来週"
    },
    {
      "word": "再来週"
    },
    {
      "word": "毎週"
    },
    {
      "word": "月"
    },
    {
      "word": "先月"
    },
    {
      "word": "今月"
    },
    {
      "word": "来月"
    },
    {
      "word": "再来月"
    },
    {
      "word": "毎月"
    },
    {
      "word": "年"
    },
    {
      "word": "一昨昨年"
    },
    {
      "word": "一昨年"
    },
    {
      "word": "去年"
    },
    {
      "word": "今年"
    },
    {
      "word": "来年"
    },
    {
      "word": "再来年"
    },
    {
      "word": "毎年"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese entries with topic categories using raw markup",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with hyōgaiji kanji",
        "Japanese terms spelled with 々",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters",
        "Pages with raw sortkeys",
        "ja:Past"
      ],
      "glosses": [
        "the month before last; two months ago"
      ],
      "links": [
        [
          "month",
          "month"
        ]
      ]
    }
  ],
  "word": "先々月"
}

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