"-am" meaning in Catalan

{
  "etymology_templates": [
    {
      "args": {
        "1": "Inherited"
      },
      "expansion": "Inherited",
      "name": "glossary"
    },
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "-āmen",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Latin -āmen",
      "name": "inh"
    },
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "-āmen"
      },
      "expansion": "Inherited from Latin -āmen",
      "name": "inh+"
    },
    {
      "args": {
        "1": "la",
        "2": "-men"
      },
      "expansion": "-men",
      "name": "m"
    }
  ],
  "etymology_text": "Inherited from Latin -āmen, variant of -men, a noun-forming suffix.",
  "forms": [
    {
      "form": "-ams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "-am m (noun-forming suffix, plural -ams)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "mosquit (“mosquito”) + -am → mosquitam (“swarm of mosquitos”)",
          "type": "example"
        },
        {
          "text": "trast (“piece of junk”) + -am → trastam (“junk”)",
          "type": "example"
        }
      ],
      "glosses": [
        "indicates a collectivity"
      ],
      "id": "en--am-ca-suffix-AjUMZ4Z~",
      "raw_glosses": [
        "(often pejorative) indicates a collectivity"
      ],
      "related": [
        {
          "word": "-im"
        },
        {
          "word": "-um"
        }
      ],
      "tags": [
        "masculine",
        "morpheme",
        "often",
        "pejorative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈam]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "-am"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "Inherited"
      },
      "expansion": "Inherited",
      "name": "glossary"
    },
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "-āmen",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Latin -āmen",
      "name": "inh"
    },
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "-āmen"
      },
      "expansion": "Inherited from Latin -āmen",
      "name": "inh+"
    },
    {
      "args": {
        "1": "la",
        "2": "-men"
      },
      "expansion": "-men",
      "name": "m"
    }
  ],
  "etymology_text": "Inherited from Latin -āmen, variant of -men, a noun-forming suffix.",
  "forms": [
    {
      "form": "-ams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "-am m (noun-forming suffix, plural -ams)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "suffix",
  "related": [
    {
      "word": "-im"
    },
    {
      "word": "-um"
    }
  ],
  "senses": [
    {
      "categories": [
        "Catalan countable suffixes",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan masculine suffixes",
        "Catalan noun-forming suffixes",
        "Catalan suffixes",
        "Catalan terms derived from Latin",
        "Catalan terms inherited from Latin",
        "Catalan terms with IPA pronunciation",
        "Pages with raw sortkeys"
      ],
      "examples": [
        {
          "text": "mosquit (“mosquito”) + -am → mosquitam (“swarm of mosquitos”)",
          "type": "example"
        },
        {
          "text": "trast (“piece of junk”) + -am → trastam (“junk”)",
          "type": "example"
        }
      ],
      "glosses": [
        "indicates a collectivity"
      ],
      "raw_glosses": [
        "(often pejorative) indicates a collectivity"
      ],
      "tags": [
        "masculine",
        "morpheme",
        "often",
        "pejorative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈam]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "-am"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: noun-forming suffix",
  "path": [
    "-am"
  ],
  "section": "Catalan",
  "subsection": "suffix",
  "title": "-am",
  "trace": ""
}