"подолгу" meaning in Russian

{
  "forms": [
    {
      "form": "подо́лгу",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "podólgu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "подо́лгу"
      },
      "expansion": "подо́лгу • (podólgu)",
      "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": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "He used to sit with us for hours",
          "roman": "On, byválo, podólgu sížival s námi",
          "text": "Он, быва́ло, подо́лгу си́живал с на́ми",
          "type": "example"
        },
        {
          "english": "He lived with us for long periods",
          "roman": "On žil u nas podólgu",
          "text": "Он жил у нас подо́лгу",
          "type": "example"
        }
      ],
      "glosses": [
        "long, for hours"
      ],
      "id": "en-подолгу-ru-adv-Jx7~dsDv",
      "links": [
        [
          "long",
          "long"
        ],
        [
          "for",
          "for"
        ],
        [
          "hour",
          "hour"
        ]
      ],
      "raw_glosses": [
        "long, for hours [days, months, etc]"
      ],
      "related": [
        {
          "roman": "dólgo",
          "word": "до́лго"
        },
        {
          "roman": "nadólgo",
          "word": "надо́лго"
        },
        {
          "roman": "dólgij",
          "word": "до́лгий"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pɐˈdoɫɡʊ]"
    },
    {
      "audio": "Ru-подолгу.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/05/Ru-%D0%BF%D0%BE%D0%B4%D0%BE%D0%BB%D0%B3%D1%83.ogg/Ru-%D0%BF%D0%BE%D0%B4%D0%BE%D0%BB%D0%B3%D1%83.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/05/Ru-%D0%BF%D0%BE%D0%B4%D0%BE%D0%BB%D0%B3%D1%83.ogg"
    }
  ],
  "word": "подолгу"
}

{
  "forms": [
    {
      "form": "подо́лгу",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "podólgu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "подо́лгу"
      },
      "expansion": "подо́лгу • (podólgu)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "dólgo",
      "word": "до́лго"
    },
    {
      "roman": "nadólgo",
      "word": "надо́лго"
    },
    {
      "roman": "dólgij",
      "word": "до́лгий"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Russian 3-syllable words",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms with IPA pronunciation",
        "Russian terms with usage examples"
      ],
      "examples": [
        {
          "english": "He used to sit with us for hours",
          "roman": "On, byválo, podólgu sížival s námi",
          "text": "Он, быва́ло, подо́лгу си́живал с на́ми",
          "type": "example"
        },
        {
          "english": "He lived with us for long periods",
          "roman": "On žil u nas podólgu",
          "text": "Он жил у нас подо́лгу",
          "type": "example"
        }
      ],
      "glosses": [
        "long, for hours"
      ],
      "links": [
        [
          "long",
          "long"
        ],
        [
          "for",
          "for"
        ],
        [
          "hour",
          "hour"
        ]
      ],
      "raw_glosses": [
        "long, for hours [days, months, etc]"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pɐˈdoɫɡʊ]"
    },
    {
      "audio": "Ru-подолгу.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/05/Ru-%D0%BF%D0%BE%D0%B4%D0%BE%D0%BB%D0%B3%D1%83.ogg/Ru-%D0%BF%D0%BE%D0%B4%D0%BE%D0%BB%D0%B3%D1%83.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/05/Ru-%D0%BF%D0%BE%D0%B4%D0%BE%D0%BB%D0%B3%D1%83.ogg"
    }
  ],
  "word": "подолгу"
}