"стылу" meaning in Russian

{
  "forms": [
    {
      "form": "сты́лу",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "stýlu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "сты́лу"
      },
      "expansion": "сты́лу • (stýlu)",
      "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"
        }
      ],
      "glosses": [
        "from behind, from the back"
      ],
      "id": "en-стылу-ru-adv-owTfxLIu",
      "qualifier": "dated or colloquial",
      "raw_glosses": [
        "(dated or colloquial) from behind, from the back"
      ],
      "related": [
        {
          "roman": "tyl",
          "tags": [
            "masculine"
          ],
          "word": "тыл"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈstɨɫʊ]"
    }
  ],
  "word": "стылу"
}

{
  "forms": [
    {
      "form": "сты́лу",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "stýlu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "сты́лу"
      },
      "expansion": "сты́лу • (stýlu)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "tyl",
      "tags": [
        "masculine"
      ],
      "word": "тыл"
    }
  ],
  "senses": [
    {
      "categories": [
        "Russian 2-syllable words",
        "Russian adverbs",
        "Russian colloquialisms",
        "Russian dated terms",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms with IPA pronunciation"
      ],
      "glosses": [
        "from behind, from the back"
      ],
      "qualifier": "dated or colloquial",
      "raw_glosses": [
        "(dated or colloquial) from behind, from the back"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈstɨɫʊ]"
    }
  ],
  "word": "стылу"
}