"периодически" meaning in Russian

{
  "forms": [
    {
      "form": "периоди́чески",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "periodíčeski",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "периоди́чески"
      },
      "expansion": "периоди́чески • (periodíčeski)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Time",
          "orig": "ru:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "periodically"
      ],
      "id": "en-периодически-ru-adv-2phXwU6~",
      "links": [
        [
          "periodically",
          "periodically"
        ]
      ],
      "related": [
        {
          "roman": "períod",
          "word": "пери́од"
        },
        {
          "roman": "periodičeskmj",
          "word": "периодическмй"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲɪrʲɪɐˈdʲit͡ɕɪskʲɪ]"
    },
    {
      "audio": "Ru-периодически.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/df/Ru-%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8.ogg/Ru-%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8.ogg.mp3",
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    }
  ],
  "word": "периодически"
}

{
  "forms": [
    {
      "form": "периоди́чески",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "periodíčeski",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "периоди́чески"
      },
      "expansion": "периоди́чески • (periodíčeski)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "períod",
      "word": "пери́од"
    },
    {
      "roman": "periodičeskmj",
      "word": "периодическмй"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian 6-syllable words",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms with IPA pronunciation",
        "ru:Time"
      ],
      "glosses": [
        "periodically"
      ],
      "links": [
        [
          "periodically",
          "periodically"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲɪrʲɪɐˈdʲit͡ɕɪskʲɪ]"
    },
    {
      "audio": "Ru-периодически.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/df/Ru-%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8.ogg/Ru-%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8.ogg.mp3",
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    }
  ],
  "word": "периодически"
}