"-ф" meaning in Nivkh

{
  "etymology_text": "From Proto-Nivkh *-v, with regular word-final devoicing of a voiced fricative.",
  "forms": [
    {
      "form": "-f",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "niv",
        "2": "suffix"
      },
      "expansion": "-ф (-f)",
      "name": "head"
    }
  ],
  "lang": "Nivkh",
  "lang_code": "niv",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Nivkh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "едь (jed̦) + -ф (-f) → еф (jef)",
          "type": "example"
        }
      ],
      "glosses": [
        "Forms nouns denoting places from verbs"
      ],
      "id": "en--ф-niv-suffix-AhZ9T5H9",
      "links": [
        [
          "place",
          "place"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/f/"
    }
  ],
  "word": "-ф"
}

{
  "etymology_text": "From Proto-Nivkh *-v, with regular word-final devoicing of a voiced fricative.",
  "forms": [
    {
      "form": "-f",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "niv",
        "2": "suffix"
      },
      "expansion": "-ф (-f)",
      "name": "head"
    }
  ],
  "lang": "Nivkh",
  "lang_code": "niv",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Nivkh entries with incorrect language header",
        "Nivkh lemmas",
        "Nivkh suffixes",
        "Pages with 2 entries"
      ],
      "examples": [
        {
          "text": "едь (jed̦) + -ф (-f) → еф (jef)",
          "type": "example"
        }
      ],
      "glosses": [
        "Forms nouns denoting places from verbs"
      ],
      "links": [
        [
          "place",
          "place"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/f/"
    }
  ],
  "word": "-ф"
}