"-es" meaning in Swedish

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "-s"
      },
      "expansion": "-s",
      "name": "m"
    },
    {
      "args": {
        "1": "sv",
        "2": "-a"
      },
      "expansion": "-a",
      "name": "m"
    }
  ],
  "etymology_text": "Variant of -s (etymology 2) with a reduction of the preceding -a.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "suffix"
      },
      "expansion": "-es",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "91 9",
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Marks the present tense passive of verbs of the second and fourth conjugations (weak and strong -er verbs respectively) that have stems ending in s."
      ],
      "id": "en--es-sv-suffix-~vcuU5Bh",
      "links": [
        [
          "-er",
          "-er#Swedish"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɛs/"
    }
  ],
  "word": "-es"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "la",
        "3": "-ensis"
      },
      "expansion": "Latin -ensis",
      "name": "der"
    }
  ],
  "etymology_text": "Ultimately from Latin -ensis.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "suffix"
      },
      "expansion": "-es",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "suffix",
  "senses": [
    {
      "examples": [
        {
          "text": "Kina + -es → kines",
          "type": "example"
        },
        {
          "text": "Siam + -es → siames",
          "type": "example"
        }
      ],
      "glosses": [
        "-ese; forms a nationality from the name of a country."
      ],
      "id": "en--es-sv-suffix-UTlD2vEb",
      "links": [
        [
          "-ese",
          "-ese"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈeːs/"
    }
  ],
  "word": "-es"
}

{
  "categories": [
    "Swedish entries with incorrect language header",
    "Swedish lemmas",
    "Swedish suffixes",
    "Swedish terms derived from Latin",
    "Swedish terms with IPA pronunciation"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "-s"
      },
      "expansion": "-s",
      "name": "m"
    },
    {
      "args": {
        "1": "sv",
        "2": "-a"
      },
      "expansion": "-a",
      "name": "m"
    }
  ],
  "etymology_text": "Variant of -s (etymology 2) with a reduction of the preceding -a.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "suffix"
      },
      "expansion": "-es",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "Marks the present tense passive of verbs of the second and fourth conjugations (weak and strong -er verbs respectively) that have stems ending in s."
      ],
      "links": [
        [
          "-er",
          "-er#Swedish"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɛs/"
    }
  ],
  "word": "-es"
}

{
  "categories": [
    "Swedish entries with incorrect language header",
    "Swedish lemmas",
    "Swedish suffixes",
    "Swedish terms derived from Latin",
    "Swedish terms with IPA pronunciation"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "la",
        "3": "-ensis"
      },
      "expansion": "Latin -ensis",
      "name": "der"
    }
  ],
  "etymology_text": "Ultimately from Latin -ensis.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "suffix"
      },
      "expansion": "-es",
      "name": "head"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "suffix",
  "senses": [
    {
      "examples": [
        {
          "text": "Kina + -es → kines",
          "type": "example"
        },
        {
          "text": "Siam + -es → siames",
          "type": "example"
        }
      ],
      "glosses": [
        "-ese; forms a nationality from the name of a country."
      ],
      "links": [
        [
          "-ese",
          "-ese"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈeːs/"
    }
  ],
  "word": "-es"
}