"-d" meaning in Fula

{
  "head_templates": [
    {
      "args": {
        "1": "ff",
        "2": "affix"
      },
      "expansion": "-d",
      "name": "head"
    }
  ],
  "lang": "Fula",
  "lang_code": "ff",
  "pos": "affix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Fula affixes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Fula entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 10 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pulaar",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "4 3 5 7 11 11 1 7 1 3 1 5 2 5 7 10 0 0 2 2 2 3 2 5 2",
          "kind": "other",
          "name": "Pages with 10 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "5 3 6 6 8 8 0 9 1 3 1 6 2 7 6 8 0 0 2 2 2 4 2 6 1",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "haalde (“to say, speak”) + -d → haaldude (“to talk to each other, negotiate, transact”)",
          "type": "example"
        }
      ],
      "glosses": [
        "indicates that the action is performed with someone or something"
      ],
      "id": "en--d-ff-affix-UmecftNl",
      "raw_glosses": [
        "(Pulaar) indicates that the action is performed with someone or something"
      ],
      "tags": [
        "Pulaar"
      ]
    }
  ],
  "word": "-d"
}

{
  "categories": [
    "Pages with 10 entries",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "ff",
        "2": "affix"
      },
      "expansion": "-d",
      "name": "head"
    }
  ],
  "lang": "Fula",
  "lang_code": "ff",
  "pos": "affix",
  "senses": [
    {
      "categories": [
        "Fula affixes",
        "Fula entries with incorrect language header",
        "Fula lemmas",
        "Pages with 10 entries",
        "Pages with entries",
        "Pulaar"
      ],
      "examples": [
        {
          "text": "haalde (“to say, speak”) + -d → haaldude (“to talk to each other, negotiate, transact”)",
          "type": "example"
        }
      ],
      "glosses": [
        "indicates that the action is performed with someone or something"
      ],
      "raw_glosses": [
        "(Pulaar) indicates that the action is performed with someone or something"
      ],
      "tags": [
        "Pulaar"
      ]
    }
  ],
  "word": "-d"
}