"m/m" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "m",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "percentual change from same period one month earlier",
          "word": "month-on-month"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English reduplicated coordinated pairs",
          "parents": [
            "Reduplicated coordinated pairs",
            "Coordinated pairs",
            "Reduplications",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of month-on-month: percentual change from same period one month earlier"
      ],
      "id": "en-m/m-en-adj-hCtNDOBQ",
      "links": [
        [
          "month",
          "month#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "m/m"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "m",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "percentual change from same period one month earlier",
          "word": "month-on-month"
        }
      ],
      "categories": [
        "English abbreviations",
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English reduplicated coordinated pairs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Abbreviation of month-on-month: percentual change from same period one month earlier"
      ],
      "links": [
        [
          "month",
          "month#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "m/m"
}

{
  "called_from": "form_descriptions/1147",
  "msg": "suspicious related form tags ['canonical']: 'm' in 'm'",
  "path": [
    "m/m"
  ],
  "section": "English",
  "subsection": "adjective",
  "title": "m/m",
  "trace": ""
}

{
  "called_from": "form_descriptions/1241",
  "msg": "probably incorrect canonical form 'm' ignored (probably tag combination missing from xlat_head_map)",
  "path": [
    "m/m"
  ],
  "section": "English",
  "subsection": "adjective",
  "title": "m/m",
  "trace": ""
}