"-sio-" meaning in Gaulois

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots attestés en gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Suffixes en gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gaulois",
      "orig": "gaulois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Suffixe gaulois attesté, notamment dans marcosior^([1])^([2])."
  ],
  "lang": "Gaulois",
  "lang_code": "gaulois",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "Suffixe gaulois à valeur désidérative ou future"
      ],
      "id": "fr--sio--gaulois-suffix-0ElnMiLC"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-sio-"
}

{
  "categories": [
    "Mots attestés en gaulois",
    "Suffixes en gaulois",
    "gaulois"
  ],
  "etymology_texts": [
    "Suffixe gaulois attesté, notamment dans marcosior^([1])^([2])."
  ],
  "lang": "Gaulois",
  "lang_code": "gaulois",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "Suffixe gaulois à valeur désidérative ou future"
      ]
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-sio-"
}