"-öx" meaning in Volapük

{
  "head_templates": [
    {
      "args": {
        "1": "vo",
        "2": "suffix"
      },
      "expansion": "-öx",
      "name": "head"
    }
  ],
  "lang": "Volapük",
  "lang_code": "vo",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Volapük entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "He might pay.",
          "text": "Pelomöx.",
          "type": "example"
        }
      ],
      "glosses": [
        "A suffix used on verbs to form the potential mood."
      ],
      "id": "en--öx-vo-suffix-tI2E7PYx",
      "links": [
        [
          "potential",
          "potential#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-öx"
}

{
  "head_templates": [
    {
      "args": {
        "1": "vo",
        "2": "suffix"
      },
      "expansion": "-öx",
      "name": "head"
    }
  ],
  "lang": "Volapük",
  "lang_code": "vo",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Volapük entries with incorrect language header",
        "Volapük lemmas",
        "Volapük suffixes",
        "Volapük terms with usage examples"
      ],
      "examples": [
        {
          "english": "He might pay.",
          "text": "Pelomöx.",
          "type": "example"
        }
      ],
      "glosses": [
        "A suffix used on verbs to form the potential mood."
      ],
      "links": [
        [
          "potential",
          "potential#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-öx"
}