"-açu" meaning in Portuguese

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "tpw",
        "3": "-gûasu"
      },
      "expansion": "Borrowed from Old Tupi -gûasu",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Old Tupi -gûasu.",
  "forms": [
    {
      "form": "-açus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mf"
      },
      "expansion": "-açu m or f (noun-forming suffix, plural -açus)",
      "name": "pt-noun"
    }
  ],
  "hyphenation": [
    "-a‧çu"
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese suffixes with multiple genders",
          "parents": [
            "Suffixes with multiple genders",
            "Suffixes by gender",
            "Suffixes",
            "Morphemes",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "forms the augmentative of nouns"
      ],
      "id": "en--açu-pt-suffix-34IggGmQ",
      "raw_glosses": [
        "(no longer productive) forms the augmentative of nouns"
      ],
      "synonyms": [
        {
          "word": "-guaçu"
        },
        {
          "word": "-uaçu"
        },
        {
          "word": "-uçu"
        },
        {
          "tags": [
            "obsolete"
          ],
          "word": "-assú"
        }
      ],
      "tags": [
        "feminine",
        "idiomatic",
        "masculine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aˈsu/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/ɐˈsu/",
      "tags": [
        "Portugal"
      ]
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "-açu"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "tpw",
        "3": "-gûasu"
      },
      "expansion": "Borrowed from Old Tupi -gûasu",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Old Tupi -gûasu.",
  "forms": [
    {
      "form": "-açus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mf"
      },
      "expansion": "-açu m or f (noun-forming suffix, plural -açus)",
      "name": "pt-noun"
    }
  ],
  "hyphenation": [
    "-a‧çu"
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Portuguese 2-syllable words",
        "Portuguese countable suffixes",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine suffixes",
        "Portuguese lemmas",
        "Portuguese masculine suffixes",
        "Portuguese noun-forming suffixes",
        "Portuguese suffixes",
        "Portuguese suffixes with multiple genders",
        "Portuguese suffixes with red links in their headword lines",
        "Portuguese terms borrowed from Old Tupi",
        "Portuguese terms derived from Old Tupi",
        "Portuguese terms with IPA pronunciation",
        "Rhymes:Portuguese/u",
        "Rhymes:Portuguese/u/2 syllables"
      ],
      "glosses": [
        "forms the augmentative of nouns"
      ],
      "raw_glosses": [
        "(no longer productive) forms the augmentative of nouns"
      ],
      "tags": [
        "feminine",
        "idiomatic",
        "masculine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aˈsu/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/ɐˈsu/",
      "tags": [
        "Portugal"
      ]
    },
    {
      "rhymes": "-u"
    }
  ],
  "synonyms": [
    {
      "word": "-guaçu"
    },
    {
      "word": "-uaçu"
    },
    {
      "word": "-uçu"
    },
    {
      "tags": [
        "obsolete"
      ],
      "word": "-assú"
    }
  ],
  "word": "-açu"
}

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