"-iste" meaning in Italian

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "-"
      },
      "expansion": "Latin",
      "name": "der"
    },
    {
      "args": {
        "1": "it",
        "2": "finiste"
      },
      "expansion": "finiste",
      "name": "m"
    },
    {
      "args": {
        "1": "la",
        "2": "finivistis"
      },
      "expansion": "finivistis",
      "name": "m"
    }
  ],
  "etymology_text": "From Latin -īvistis (via -īsti).\nExample: Italian finiste, from Latin finivistis.",
  "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+disamb"
        }
      ],
      "glosses": [
        "used with a stem to form the second-person plural past historic and imperfect subjunctive of regular -ire verbs"
      ],
      "id": "en--iste-it-suffix-TjsBISqk",
      "links": [
        [
          "second-person",
          "second person#English"
        ],
        [
          "plural",
          "plural#English"
        ],
        [
          "past historic",
          "past historic#English"
        ],
        [
          "imperfect subjunctive",
          "imperfect subjunctive#English"
        ],
        [
          "-ire",
          "-ire#Italian"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-iste"
}

{
  "categories": [],
  "etymology_number": 2,
  "lang": "Italian",
  "lang_code": "it",
  "pos": "suffix",
  "senses": [
    {
      "form_of": [
        {
          "extra": "after feminine nouns",
          "word": "-ista"
        }
      ],
      "glosses": [
        "plural of -ista (after feminine nouns)"
      ],
      "id": "en--iste-it-suffix-96wGrK12",
      "links": [
        [
          "-ista",
          "-ista#Italian"
        ]
      ],
      "synonyms": [
        {
          "english": "after masculine nouns",
          "word": "-isti"
        }
      ],
      "tags": [
        "feminine",
        "form-of",
        "morpheme",
        "plural"
      ]
    }
  ],
  "word": "-iste"
}

{
  "categories": [
    "Italian entries with incorrect language header",
    "Italian non-lemma forms",
    "Italian suffix forms",
    "Italian terms derived from Latin"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "-"
      },
      "expansion": "Latin",
      "name": "der"
    },
    {
      "args": {
        "1": "it",
        "2": "finiste"
      },
      "expansion": "finiste",
      "name": "m"
    },
    {
      "args": {
        "1": "la",
        "2": "finivistis"
      },
      "expansion": "finivistis",
      "name": "m"
    }
  ],
  "etymology_text": "From Latin -īvistis (via -īsti).\nExample: Italian finiste, from Latin finivistis.",
  "lang": "Italian",
  "lang_code": "it",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "used with a stem to form the second-person plural past historic and imperfect subjunctive of regular -ire verbs"
      ],
      "links": [
        [
          "second-person",
          "second person#English"
        ],
        [
          "plural",
          "plural#English"
        ],
        [
          "past historic",
          "past historic#English"
        ],
        [
          "imperfect subjunctive",
          "imperfect subjunctive#English"
        ],
        [
          "-ire",
          "-ire#Italian"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-iste"
}

{
  "categories": [
    "Italian non-lemma forms",
    "Italian suffix forms"
  ],
  "etymology_number": 2,
  "lang": "Italian",
  "lang_code": "it",
  "pos": "suffix",
  "senses": [
    {
      "form_of": [
        {
          "extra": "after feminine nouns",
          "word": "-ista"
        }
      ],
      "glosses": [
        "plural of -ista (after feminine nouns)"
      ],
      "links": [
        [
          "-ista",
          "-ista#Italian"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "morpheme",
        "plural"
      ]
    }
  ],
  "synonyms": [
    {
      "english": "after masculine nouns",
      "word": "-isti"
    }
  ],
  "word": "-iste"
}