"-ppa" meaning in Finnish

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "urj-fin-pro",
        "3": "*-ppa"
      },
      "expansion": "Proto-Finnic *-ppa",
      "name": "inh"
    },
    {
      "args": {
        "1": "fi",
        "2": "urj-fpr-pro",
        "3": "*-ppa"
      },
      "expansion": "Proto-Finno-Permic *-ppa",
      "name": "inh"
    }
  ],
  "etymology_text": "Possibly from Proto-Finnic *-ppa, from Proto-Finno-Permic *-ppa, but the narrow distribution and rarity means this is highly uncertain. At least in slang the suffix may instead be a more recent labialized form of -kka.",
  "forms": [
    {
      "form": "-ppä",
      "tags": [
        "front-vowel"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "10": "-{{{stem}}}-",
        "11": "",
        "12": "-{{{stem2}}}-",
        "13": "linguistic notation",
        "14": "-ppA",
        "15": "",
        "16": "{{{comp}}}",
        "17": "",
        "18": "{{{sup}}}",
        "2": "suffixes",
        "3": "front vowel harmony variant",
        "4": "-ppä",
        "5": "",
        "6": "-{{{stem}}}-",
        "7": "",
        "8": "-{{{stem2}}}-",
        "9": "",
        "cat2": "",
        "f2nolink": "1",
        "f3nolink": "1",
        "f4nolink": "1",
        "f5nolink": "1",
        "f6nolink": "1",
        "f7nolink": "1",
        "f8nolink": "1",
        "head": ""
      },
      "expansion": "-ppa (front vowel harmony variant -ppä, linguistic notation -ppA)",
      "name": "head"
    },
    {
      "args": {
        "1": "noun",
        "var": "ppä"
      },
      "expansion": "-ppa (front vowel harmony variant -ppä, linguistic notation -ppA)",
      "name": "fi-suffix"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "-ppari"
        }
      ],
      "glosses": [
        "Forms some nouns, mainly clippings and in slang."
      ],
      "id": "en--ppa-fi-suffix-ylk4LPoL",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ppa"
}

{
  "derived": [
    {
      "word": "-ppari"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "urj-fin-pro",
        "3": "*-ppa"
      },
      "expansion": "Proto-Finnic *-ppa",
      "name": "inh"
    },
    {
      "args": {
        "1": "fi",
        "2": "urj-fpr-pro",
        "3": "*-ppa"
      },
      "expansion": "Proto-Finno-Permic *-ppa",
      "name": "inh"
    }
  ],
  "etymology_text": "Possibly from Proto-Finnic *-ppa, from Proto-Finno-Permic *-ppa, but the narrow distribution and rarity means this is highly uncertain. At least in slang the suffix may instead be a more recent labialized form of -kka.",
  "forms": [
    {
      "form": "-ppä",
      "tags": [
        "front-vowel"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "10": "-{{{stem}}}-",
        "11": "",
        "12": "-{{{stem2}}}-",
        "13": "linguistic notation",
        "14": "-ppA",
        "15": "",
        "16": "{{{comp}}}",
        "17": "",
        "18": "{{{sup}}}",
        "2": "suffixes",
        "3": "front vowel harmony variant",
        "4": "-ppä",
        "5": "",
        "6": "-{{{stem}}}-",
        "7": "",
        "8": "-{{{stem2}}}-",
        "9": "",
        "cat2": "",
        "f2nolink": "1",
        "f3nolink": "1",
        "f4nolink": "1",
        "f5nolink": "1",
        "f6nolink": "1",
        "f7nolink": "1",
        "f8nolink": "1",
        "head": ""
      },
      "expansion": "-ppa (front vowel harmony variant -ppä, linguistic notation -ppA)",
      "name": "head"
    },
    {
      "args": {
        "1": "noun",
        "var": "ppä"
      },
      "expansion": "-ppa (front vowel harmony variant -ppä, linguistic notation -ppA)",
      "name": "fi-suffix"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Finnish entries with incorrect language header",
        "Finnish lemmas",
        "Finnish noun-forming suffixes",
        "Finnish suffixes",
        "Finnish terms derived from Proto-Finnic",
        "Finnish terms derived from Proto-Finno-Permic",
        "Finnish terms inherited from Proto-Finnic",
        "Finnish terms inherited from Proto-Finno-Permic",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Forms some nouns, mainly clippings and in slang."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ppa"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: linguistic notation -ppA",
  "path": [
    "-ppa"
  ],
  "section": "Finnish",
  "subsection": "suffix",
  "title": "-ppa",
  "trace": ""
}