"слева" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "с-",
        "3": "ле́во",
        "4": "-а"
      },
      "expansion": "с- (s-) + ле́во (lévo) + -а (-a)",
      "name": "af"
    }
  ],
  "etymology_text": "с- (s-) + ле́во (lévo) + -а (-a)",
  "forms": [
    {
      "form": "сле́ва",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sléva",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "сле́ва"
      },
      "expansion": "сле́ва • (sléva)",
      "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": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian terms prefixed with с-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian terms suffixed with -а",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ru",
          "name": "Directions",
          "orig": "ru:Directions",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "on the left; from the left"
      ],
      "id": "en-слева-ru-adv-D-6hBgMP",
      "links": [
        [
          "left",
          "left"
        ]
      ],
      "related": [
        {
          "roman": "lévyj",
          "word": "ле́вый"
        }
      ],
      "synonyms": [
        {
          "word": "ошую"
        },
        {
          "word": "ошуюю"
        },
        {
          "word": "по ле́вую ру́ку"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈs⁽ʲ⁾lʲevə]"
    },
    {
      "audio": "Ru-слева.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/15/Ru-%D1%81%D0%BB%D0%B5%D0%B2%D0%B0.ogg/Ru-%D1%81%D0%BB%D0%B5%D0%B2%D0%B0.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/15/Ru-%D1%81%D0%BB%D0%B5%D0%B2%D0%B0.ogg"
    }
  ],
  "word": "слева"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "с-",
        "3": "ле́во",
        "4": "-а"
      },
      "expansion": "с- (s-) + ле́во (lévo) + -а (-a)",
      "name": "af"
    }
  ],
  "etymology_text": "с- (s-) + ле́во (lévo) + -а (-a)",
  "forms": [
    {
      "form": "сле́ва",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sléva",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "сле́ва"
      },
      "expansion": "сле́ва • (sléva)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "lévyj",
      "word": "ле́вый"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian 2-syllable words",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms prefixed with с-",
        "Russian terms suffixed with -а",
        "Russian terms with IPA pronunciation",
        "ru:Directions"
      ],
      "glosses": [
        "on the left; from the left"
      ],
      "links": [
        [
          "left",
          "left"
        ]
      ],
      "synonyms": [
        {
          "word": "ошую"
        },
        {
          "word": "ошуюю"
        },
        {
          "word": "по ле́вую ру́ку"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈs⁽ʲ⁾lʲevə]"
    },
    {
      "audio": "Ru-слева.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/15/Ru-%D1%81%D0%BB%D0%B5%D0%B2%D0%B0.ogg/Ru-%D1%81%D0%BB%D0%B5%D0%B2%D0%B0.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/15/Ru-%D1%81%D0%BB%D0%B5%D0%B2%D0%B0.ogg"
    }
  ],
  "word": "слева"
}