"-itade" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "-itas",
        "4": "-itātem"
      },
      "expansion": "Latin -itātem",
      "name": "inh"
    },
    {
      "args": {
        "1": "roa-oit",
        "2": "-itude"
      },
      "expansion": "Old Italian -itude",
      "name": "cog"
    },
    {
      "args": {
        "1": "it",
        "2": "-itù"
      },
      "expansion": "Italian -itù",
      "name": "cog"
    }
  ],
  "etymology_text": "From earlier -itate, from Latin -itātem with voicing of the second /-t-/. Reduced to -ità in modern Italian via apocope. Compare Old Italian -itude > modern -Italian -itù. Compare soccida for a different output.",
  "forms": [
    {
      "form": "-itadi",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "-itade f (noun-forming suffix, plural -itadi)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian terms with voicing of Latin /-p t k-/",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Italian",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "used to form abstract nouns that correspond to English words ending in -ity or -ness"
      ],
      "id": "en--itade-it-suffix-Q8llW1Bz",
      "links": [
        [
          "abstract noun",
          "abstract noun#English"
        ],
        [
          "-ity",
          "-ity#English"
        ],
        [
          "-ness",
          "-ness#English"
        ]
      ],
      "qualifier": "Old Italian",
      "raw_glosses": [
        "(Old Italian) used to form abstract nouns that correspond to English words ending in -ity or -ness"
      ],
      "synonyms": [
        {
          "word": "-itate"
        }
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "word": "-itade"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "-itas",
        "4": "-itātem"
      },
      "expansion": "Latin -itātem",
      "name": "inh"
    },
    {
      "args": {
        "1": "roa-oit",
        "2": "-itude"
      },
      "expansion": "Old Italian -itude",
      "name": "cog"
    },
    {
      "args": {
        "1": "it",
        "2": "-itù"
      },
      "expansion": "Italian -itù",
      "name": "cog"
    }
  ],
  "etymology_text": "From earlier -itate, from Latin -itātem with voicing of the second /-t-/. Reduced to -ità in modern Italian via apocope. Compare Old Italian -itude > modern -Italian -itù. Compare soccida for a different output.",
  "forms": [
    {
      "form": "-itadi",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "-itade f (noun-forming suffix, plural -itadi)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Italian countable suffixes",
        "Italian entries with incorrect language header",
        "Italian feminine suffixes",
        "Italian lemmas",
        "Italian noun-forming suffixes",
        "Italian suffixes",
        "Italian suffixes with red links in their headword lines",
        "Italian terms derived from Latin",
        "Italian terms inherited from Latin",
        "Italian terms with voicing of Latin /-p t k-/",
        "Old Italian",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "used to form abstract nouns that correspond to English words ending in -ity or -ness"
      ],
      "links": [
        [
          "abstract noun",
          "abstract noun#English"
        ],
        [
          "-ity",
          "-ity#English"
        ],
        [
          "-ness",
          "-ness#English"
        ]
      ],
      "qualifier": "Old Italian",
      "raw_glosses": [
        "(Old Italian) used to form abstract nouns that correspond to English words ending in -ity or -ness"
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "-itate"
    }
  ],
  "word": "-itade"
}

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