"-re" meaning in Swedish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "non",
        "3": "-ri"
      },
      "expansion": "Old Norse -ri",
      "name": "der"
    },
    {
      "args": {
        "1": "sv",
        "2": "gem-pro",
        "3": "*-izô"
      },
      "expansion": "Proto-Germanic *-izô",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Norse -ri, from Proto-Germanic *-izô.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "suffix"
      },
      "expansion": "-re",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "lång (long), längre (longer)"
        },
        {
          "text": "ung (young), yngre (younger)"
        }
      ],
      "glosses": [
        "Forms the comparative degree of a few adjectives, most of which change their stem vowel (umlaut) when this happens."
      ],
      "id": "en--re-sv-suffix-942GD7AV",
      "related": [
        {
          "word": "-are"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-re"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "non",
        "3": "-ri"
      },
      "expansion": "Old Norse -ri",
      "name": "der"
    },
    {
      "args": {
        "1": "sv",
        "2": "gem-pro",
        "3": "*-izô"
      },
      "expansion": "Proto-Germanic *-izô",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Norse -ri, from Proto-Germanic *-izô.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "suffix"
      },
      "expansion": "-re",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "suffix",
  "related": [
    {
      "word": "-are"
    }
  ],
  "senses": [
    {
      "categories": [
        "Swedish entries with incorrect language header",
        "Swedish lemmas",
        "Swedish suffixes",
        "Swedish terms derived from Old Norse",
        "Swedish terms derived from Proto-Germanic"
      ],
      "examples": [
        {
          "text": "lång (long), längre (longer)"
        },
        {
          "text": "ung (young), yngre (younger)"
        }
      ],
      "glosses": [
        "Forms the comparative degree of a few adjectives, most of which change their stem vowel (umlaut) when this happens."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-re"
}