"взад" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "в",
        "3": "зад"
      },
      "expansion": "в (v) + зад (zad)",
      "name": "af"
    }
  ],
  "etymology_text": "в (v) + зад (zad)",
  "forms": [
    {
      "form": "vzad",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "взад • (vzad)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "back and forth, to and fro",
          "roman": "vzad i vperjód",
          "text": "взад и вперёд",
          "type": "example"
        }
      ],
      "glosses": [
        "back"
      ],
      "id": "en-взад-ru-adv-PEgjRvN1",
      "links": [
        [
          "back",
          "back"
        ]
      ],
      "raw_glosses": [
        "(colloquial) back"
      ],
      "related": [
        {
          "roman": "zad",
          "word": "зад"
        },
        {
          "roman": "zadók",
          "word": "задо́к"
        },
        {
          "roman": "zádom",
          "word": "за́дом"
        },
        {
          "roman": "zádnij",
          "word": "за́дний"
        },
        {
          "roman": "zádnik",
          "word": "за́дник"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[vzat]"
    }
  ],
  "word": "взад"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "в",
        "3": "зад"
      },
      "expansion": "в (v) + зад (zad)",
      "name": "af"
    }
  ],
  "etymology_text": "в (v) + зад (zad)",
  "forms": [
    {
      "form": "vzad",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "взад • (vzad)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "zad",
      "word": "зад"
    },
    {
      "roman": "zadók",
      "word": "задо́к"
    },
    {
      "roman": "zádom",
      "word": "за́дом"
    },
    {
      "roman": "zádnij",
      "word": "за́дний"
    },
    {
      "roman": "zádnik",
      "word": "за́дник"
    }
  ],
  "senses": [
    {
      "categories": [
        "Russian 1-syllable words",
        "Russian adverbs",
        "Russian colloquialisms",
        "Russian compound terms",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms with IPA pronunciation",
        "Russian terms with redundant head parameter",
        "Russian terms with usage examples"
      ],
      "examples": [
        {
          "english": "back and forth, to and fro",
          "roman": "vzad i vperjód",
          "text": "взад и вперёд",
          "type": "example"
        }
      ],
      "glosses": [
        "back"
      ],
      "links": [
        [
          "back",
          "back"
        ]
      ],
      "raw_glosses": [
        "(colloquial) back"
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[vzat]"
    }
  ],
  "word": "взад"
}