"-ista" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "-ista"
      },
      "expansion": "Borrowed from Latin -ista",
      "name": "bor+"
    },
    {
      "args": {
        "1": "it",
        "2": "grc",
        "3": "-ιστής"
      },
      "expansion": "Ancient Greek -ιστής (-istḗs)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from Latin -ista, from Ancient Greek -ιστής (-istḗs).",
  "forms": [
    {
      "form": "-isti",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "-iste",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "-ista m or f by sense (noun-forming suffix, masculine plural -isti, feminine plural -iste)",
      "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 masculine and feminine suffixes by sense",
          "parents": [
            "Masculine and feminine suffixes by sense",
            "Suffixes by gender",
            "Suffixes",
            "Morphemes",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian suffixes with irregular gender",
          "parents": [
            "Suffixes with irregular gender",
            "Irregular suffixes",
            "Suffixes by inflection type",
            "Suffixes",
            "Morphemes",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian suffixes with multiple genders",
          "parents": [
            "Suffixes with multiple genders",
            "Suffixes by gender",
            "Suffixes",
            "Morphemes",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 14 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "10 3 0 6 7 10 3 3 3 3 0 3 2 10 8 11 6 2 2 2 0 0 2 0 0 2 1 2 2",
          "kind": "other",
          "name": "Pages with 14 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 4 0 5 6 9 4 4 4 4 0 3 3 9 7 9 5 3 3 3 0 0 2 0 0 2 0 2 2",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "-ist"
      ],
      "id": "en--ista-it-suffix-NrUo8fUR",
      "links": [
        [
          "-ist",
          "-ist"
        ]
      ],
      "related": [
        {
          "word": "-ismo"
        },
        {
          "word": "-istico"
        }
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-ista"
}

{
  "categories": [
    "Pages with 14 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "-ista"
      },
      "expansion": "Borrowed from Latin -ista",
      "name": "bor+"
    },
    {
      "args": {
        "1": "it",
        "2": "grc",
        "3": "-ιστής"
      },
      "expansion": "Ancient Greek -ιστής (-istḗs)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from Latin -ista, from Ancient Greek -ιστής (-istḗs).",
  "forms": [
    {
      "form": "-isti",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "-iste",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "-ista m or f by sense (noun-forming suffix, masculine plural -isti, feminine plural -iste)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "suffix",
  "related": [
    {
      "word": "-ismo"
    },
    {
      "word": "-istico"
    }
  ],
  "senses": [
    {
      "categories": [
        "Italian entries with incorrect language header",
        "Italian feminine suffixes",
        "Italian lemmas",
        "Italian masculine and feminine suffixes by sense",
        "Italian masculine suffixes",
        "Italian noun-forming suffixes",
        "Italian suffixes",
        "Italian suffixes with irregular gender",
        "Italian suffixes with multiple genders",
        "Italian terms borrowed from Latin",
        "Italian terms derived from Ancient Greek",
        "Italian terms derived from Latin",
        "Pages using catfix",
        "Pages with 14 entries",
        "Pages with entries"
      ],
      "glosses": [
        "-ist"
      ],
      "links": [
        [
          "-ist",
          "-ist"
        ]
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-ista"
}

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