"month by month" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "month by month (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              48,
              62
            ]
          ],
          "ref": "1956 January, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 26:",
          "text": "Of the many letters that correspondents send me month by month, those which I treasure most, perhaps, are from readers of my own age or older who have continued to follow the articles since the day in 1909 when first I started to write them, […].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Each month; in a gradual and steady way as months pass."
      ],
      "id": "en-month_by_month-en-adv-h6jHPKUM",
      "links": [
        [
          "month",
          "month"
        ],
        [
          "gradual",
          "gradual"
        ],
        [
          "steady",
          "steady"
        ],
        [
          "month",
          "month"
        ]
      ],
      "related": [
        {
          "word": "day by day"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "month by month"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "month by month (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "related": [
    {
      "word": "day by day"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adverbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              48,
              62
            ]
          ],
          "ref": "1956 January, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 26:",
          "text": "Of the many letters that correspondents send me month by month, those which I treasure most, perhaps, are from readers of my own age or older who have continued to follow the articles since the day in 1909 when first I started to write them, […].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Each month; in a gradual and steady way as months pass."
      ],
      "links": [
        [
          "month",
          "month"
        ],
        [
          "gradual",
          "gradual"
        ],
        [
          "steady",
          "steady"
        ],
        [
          "month",
          "month"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "month by month"
}