"-arca" meaning in Portuguese

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "LL.",
        "3": "-archa"
      },
      "expansion": "Late Latin -archa",
      "name": "inh"
    },
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "-archēs"
      },
      "expansion": "Latin -archēs",
      "name": "der"
    },
    {
      "args": {
        "1": "pt",
        "2": "grc",
        "3": "-άρχης"
      },
      "expansion": "Ancient Greek -άρχης (-árkhēs)",
      "name": "der"
    }
  ],
  "etymology_text": "From Late Latin -archa, from Latin -archēs, from Ancient Greek -άρχης (-árkhēs), from ἀρχή (arkhḗ, “rule”, “government”).",
  "forms": [
    {
      "form": "-arcas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "-arca m or f by sense (noun-forming suffix, plural -arcas)",
      "name": "pt-noun"
    }
  ],
  "hyphenation": [
    "-ar‧ca"
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "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 masculine and feminine suffixes by sense",
          "parents": [
            "Masculine and feminine suffixes by sense",
            "Suffixes by gender",
            "Suffixes",
            "Morphemes",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese suffixes with irregular gender",
          "parents": [
            "Suffixes with irregular gender",
            "Irregular suffixes",
            "Suffixes by inflection type",
            "Suffixes",
            "Morphemes",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese suffixes with multiple genders",
          "parents": [
            "Suffixes with multiple genders",
            "Suffixes by gender",
            "Suffixes",
            "Morphemes",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Politics",
          "orig": "pt:Politics",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "-arch (leading, leader)"
      ],
      "id": "en--arca-pt-suffix-O-FAuaLy",
      "links": [
        [
          "politics",
          "politics"
        ],
        [
          "-arch",
          "-arch"
        ]
      ],
      "raw_glosses": [
        "(politics) -arch (leading, leader)"
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "masculine",
        "morpheme"
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "word": "-arca"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "LL.",
        "3": "-archa"
      },
      "expansion": "Late Latin -archa",
      "name": "inh"
    },
    {
      "args": {
        "1": "pt",
        "2": "la",
        "3": "-archēs"
      },
      "expansion": "Latin -archēs",
      "name": "der"
    },
    {
      "args": {
        "1": "pt",
        "2": "grc",
        "3": "-άρχης"
      },
      "expansion": "Ancient Greek -άρχης (-árkhēs)",
      "name": "der"
    }
  ],
  "etymology_text": "From Late Latin -archa, from Latin -archēs, from Ancient Greek -άρχης (-árkhēs), from ἀρχή (arkhḗ, “rule”, “government”).",
  "forms": [
    {
      "form": "-arcas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "-arca m or f by sense (noun-forming suffix, plural -arcas)",
      "name": "pt-noun"
    }
  ],
  "hyphenation": [
    "-ar‧ca"
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with 4 entries",
        "Pages with entries",
        "Portuguese countable suffixes",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine suffixes",
        "Portuguese lemmas",
        "Portuguese masculine and feminine suffixes by sense",
        "Portuguese masculine suffixes",
        "Portuguese noun-forming suffixes",
        "Portuguese suffixes",
        "Portuguese suffixes with irregular gender",
        "Portuguese suffixes with multiple genders",
        "Portuguese suffixes with red links in their headword lines",
        "Portuguese terms derived from Ancient Greek",
        "Portuguese terms derived from Late Latin",
        "Portuguese terms derived from Latin",
        "Portuguese terms inherited from Late Latin",
        "pt:Politics"
      ],
      "glosses": [
        "-arch (leading, leader)"
      ],
      "links": [
        [
          "politics",
          "politics"
        ],
        [
          "-arch",
          "-arch"
        ]
      ],
      "raw_glosses": [
        "(politics) -arch (leading, leader)"
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "masculine",
        "morpheme"
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "word": "-arca"
}

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