"-ddu" meaning in Salentin

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en salentin suffixés avec -ddu",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Suffixes en salentin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Francavillese",
      "orig": "francavillese",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Latianese",
      "orig": "latianese",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Manduriano",
      "orig": "manduriano",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mesagnese",
      "orig": "mesagnese",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Ostunese",
      "orig": "ostunese",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Salentin",
      "orig": "salentin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Savese",
      "orig": "savese",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Salentin",
  "lang_code": "salentin",
  "notes": [
    "Portée dialectale :",
    "Brindisien : ce mot est attesté à Francavilla Fontana, Latiano, Mandurie, Mesagne, Ostuni, Sava."
  ],
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "Suffixe qui sert à former le diminutif de substantifs masculins."
      ],
      "id": "fr--ddu-salentin-suffix-kkwh-q2W",
      "raw_tags": [
        "Brindisien"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɖɖu\\"
    }
  ],
  "tags": [
    "masculine",
    "morpheme"
  ],
  "word": "-ddu"
}

{
  "categories": [
    "Mots en salentin suffixés avec -ddu",
    "Suffixes en salentin",
    "francavillese",
    "latianese",
    "manduriano",
    "mesagnese",
    "ostunese",
    "salentin",
    "savese"
  ],
  "lang": "Salentin",
  "lang_code": "salentin",
  "notes": [
    "Portée dialectale :",
    "Brindisien : ce mot est attesté à Francavilla Fontana, Latiano, Mandurie, Mesagne, Ostuni, Sava."
  ],
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "Suffixe qui sert à former le diminutif de substantifs masculins."
      ],
      "raw_tags": [
        "Brindisien"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɖɖu\\"
    }
  ],
  "tags": [
    "masculine",
    "morpheme"
  ],
  "word": "-ddu"
}