"-ar" meaning in Slovene

{
  "etymology_templates": [
    {
      "args": {
        "1": "sl",
        "2": "sla-pro",
        "3": "*-ařь"
      },
      "expansion": "Proto-Slavic *-ařь",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *-ařь.",
  "head_templates": [
    {
      "args": {
        "1": "sl",
        "2": "suffix",
        "g": "m",
        "head2": ""
      },
      "expansion": "-ar m",
      "name": "head"
    }
  ],
  "lang": "Slovene",
  "lang_code": "sl",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 24 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Slovene entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Suffix appended to words to create a masculine noun."
      ],
      "id": "en--ar-sl-suffix-50-o3A7B",
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-ar"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sl",
        "2": "sla-pro",
        "3": "*-ařь"
      },
      "expansion": "Proto-Slavic *-ařь",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *-ařь.",
  "head_templates": [
    {
      "args": {
        "1": "sl",
        "2": "suffix",
        "g": "m",
        "head2": ""
      },
      "expansion": "-ar m",
      "name": "head"
    }
  ],
  "lang": "Slovene",
  "lang_code": "sl",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages using catfix",
        "Pages with 24 entries",
        "Pages with entries",
        "Slovene entries with incorrect language header",
        "Slovene lemmas",
        "Slovene masculine suffixes",
        "Slovene suffixes",
        "Slovene terms derived from Proto-Slavic",
        "Slovene terms inherited from Proto-Slavic"
      ],
      "glosses": [
        "Suffix appended to words to create a masculine noun."
      ],
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-ar"
}