"promile" meaning in Slovak

{
  "head_templates": [
    {
      "args": {
        "1": "n",
        "indecl": "1"
      },
      "expansion": "promile n (indeclinable)",
      "name": "sk-noun"
    }
  ],
  "lang": "Slovak",
  "lang_code": "sk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Slovak entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sk",
          "name": "Thousand",
          "orig": "sk:Thousand",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "per mille, per mil"
      ],
      "id": "en-promile-sk-noun-4pvHU~CL",
      "links": [
        [
          "per mille",
          "per mille"
        ],
        [
          "per mil",
          "per mil"
        ]
      ],
      "related": [
        {
          "tags": [
            "neuter"
          ],
          "word": "percento"
        }
      ],
      "tags": [
        "indeclinable",
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈprɔmiʎe]"
    }
  ],
  "word": "promile"
}

{
  "head_templates": [
    {
      "args": {
        "1": "n",
        "indecl": "1"
      },
      "expansion": "promile n (indeclinable)",
      "name": "sk-noun"
    }
  ],
  "lang": "Slovak",
  "lang_code": "sk",
  "pos": "noun",
  "related": [
    {
      "tags": [
        "neuter"
      ],
      "word": "percento"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 3 entries",
        "Pages with entries",
        "Slovak entries with incorrect language header",
        "Slovak lemmas",
        "Slovak neuter nouns",
        "Slovak nouns",
        "Slovak terms with IPA pronunciation",
        "sk:Thousand"
      ],
      "glosses": [
        "per mille, per mil"
      ],
      "links": [
        [
          "per mille",
          "per mille"
        ],
        [
          "per mil",
          "per mil"
        ]
      ],
      "tags": [
        "indeclinable",
        "neuter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈprɔmiʎe]"
    }
  ],
  "word": "promile"
}