"м.г." meaning in Russian

{
  "forms": [
    {
      "form": "m.g.",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "м.г. • (m.g.)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(minúvševo góda): last year",
          "word": "мину́вшего го́да"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "initialism of мину́вшего го́да (minúvševo góda): last year"
      ],
      "id": "en-м.г.-ru-adv-ADPoGJpi",
      "links": [
        [
          "мину́вшего",
          "минувший#Russian"
        ],
        [
          "го́да",
          "год#Russian"
        ],
        [
          "last year",
          "last year"
        ]
      ],
      "related": [
        {
          "english": "next year",
          "roman": "b.g.",
          "word": "б.г."
        },
        {
          "english": "this year",
          "roman": "s.g.",
          "word": "с.г."
        },
        {
          "english": "this year",
          "roman": "t.g.",
          "word": "т.г."
        }
      ],
      "synonyms": [
        {
          "roman": "m. g.",
          "word": "м. г."
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "м.г."
}

{
  "forms": [
    {
      "form": "m.g.",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "м.г. • (m.g.)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "english": "next year",
      "roman": "b.g.",
      "word": "б.г."
    },
    {
      "english": "this year",
      "roman": "s.g.",
      "word": "с.г."
    },
    {
      "english": "this year",
      "roman": "t.g.",
      "word": "т.г."
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(minúvševo góda): last year",
          "word": "мину́вшего го́да"
        }
      ],
      "categories": [
        "Russian abbreviations",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian initialisms",
        "Russian lemmas",
        "Russian terms spelled with .",
        "Russian terms with redundant head parameter"
      ],
      "glosses": [
        "initialism of мину́вшего го́да (minúvševo góda): last year"
      ],
      "links": [
        [
          "мину́вшего",
          "минувший#Russian"
        ],
        [
          "го́да",
          "год#Russian"
        ],
        [
          "last year",
          "last year"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "m. g.",
      "word": "м. г."
    }
  ],
  "word": "м.г."
}