"изредка" meaning in Russian

{
  "forms": [
    {
      "form": "и́зредка",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ízredka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "и́зредка"
      },
      "expansion": "и́зредка • (ízredka)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "_dis1": "0 0",
      "roman": "rédko",
      "word": "ре́дко"
    }
  ],
  "senses": [
    {
      "glosses": [
        "rarely, seldom"
      ],
      "id": "en-изредка-ru-adv-Cig3j5cj",
      "links": [
        [
          "rarely",
          "rarely"
        ],
        [
          "seldom",
          "seldom"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "Dark rainclouds were gathering from the east, and bringing from time to time a breath of moisture in the air.",
          "ref": "1899, Антон Чехов [Anton Chekhov], Душечка; English translation from Constance Garnett, transl., The Darling, 1916:",
          "roman": "S vostóka nadvigálisʹ tjómnyje doždevýje túči, i ottúda ízredka potjágivalo vlágoj.",
          "text": "С восто́ка надвига́лись тё́мные дождевы́е ту́чи, и отту́да и́зредка потя́гивало вла́гой.",
          "type": "quote"
        }
      ],
      "glosses": [
        "from time to time, occasionally"
      ],
      "id": "en-изредка-ru-adv-Y4e953Ke",
      "links": [
        [
          "from time to time",
          "from time to time"
        ],
        [
          "occasionally",
          "occasionally"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈizrʲɪtkə]"
    },
    {
      "audio": "Ru-изредка.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e6/Ru-%D0%B8%D0%B7%D1%80%D0%B5%D0%B4%D0%BA%D0%B0.ogg/Ru-%D0%B8%D0%B7%D1%80%D0%B5%D0%B4%D0%BA%D0%B0.ogg.mp3",
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    }
  ],
  "word": "изредка"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian 3-syllable words",
    "Russian adverbs",
    "Russian entries with incorrect language header",
    "Russian lemmas",
    "Russian terms with IPA pronunciation"
  ],
  "forms": [
    {
      "form": "и́зредка",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ízredka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "и́зредка"
      },
      "expansion": "и́зредка • (ízredka)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "rédko",
      "word": "ре́дко"
    }
  ],
  "senses": [
    {
      "glosses": [
        "rarely, seldom"
      ],
      "links": [
        [
          "rarely",
          "rarely"
        ],
        [
          "seldom",
          "seldom"
        ]
      ]
    },
    {
      "categories": [
        "Russian terms with quotations"
      ],
      "examples": [
        {
          "english": "Dark rainclouds were gathering from the east, and bringing from time to time a breath of moisture in the air.",
          "ref": "1899, Антон Чехов [Anton Chekhov], Душечка; English translation from Constance Garnett, transl., The Darling, 1916:",
          "roman": "S vostóka nadvigálisʹ tjómnyje doždevýje túči, i ottúda ízredka potjágivalo vlágoj.",
          "text": "С восто́ка надвига́лись тё́мные дождевы́е ту́чи, и отту́да и́зредка потя́гивало вла́гой.",
          "type": "quote"
        }
      ],
      "glosses": [
        "from time to time, occasionally"
      ],
      "links": [
        [
          "from time to time",
          "from time to time"
        ],
        [
          "occasionally",
          "occasionally"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈizrʲɪtkə]"
    },
    {
      "audio": "Ru-изредка.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e6/Ru-%D0%B8%D0%B7%D1%80%D0%B5%D0%B4%D0%BA%D0%B0.ogg/Ru-%D0%B8%D0%B7%D1%80%D0%B5%D0%B4%D0%BA%D0%B0.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e6/Ru-%D0%B8%D0%B7%D1%80%D0%B5%D0%B4%D0%BA%D0%B0.ogg"
    }
  ],
  "word": "изредка"
}