"-m" meaning in Phalura

{
  "head_templates": [
    {
      "args": {
        "1": "phl",
        "2": "suffix"
      },
      "expansion": "-m",
      "name": "head"
    }
  ],
  "lang": "Phalura",
  "lang_code": "phl",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Phalura entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Plural suffix (with m-declension nouns)"
      ],
      "id": "en--m-phl-suffix-7wFaX2xe",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/-m/"
    }
  ],
  "word": "-m"
}

{
  "head_templates": [
    {
      "args": {
        "1": "phl",
        "2": "suffix"
      },
      "expansion": "-m",
      "name": "head"
    }
  ],
  "lang": "Phalura",
  "lang_code": "phl",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with raw sortkeys",
        "Phalura entries with incorrect language header",
        "Phalura lemmas",
        "Phalura suffixes",
        "Phalura terms with IPA pronunciation"
      ],
      "glosses": [
        "Plural suffix (with m-declension nouns)"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/-m/"
    }
  ],
  "word": "-m"
}