"-ίστας" meaning in Greek

{
  "etymology_templates": [
    {
      "args": {
        "1": "el",
        "2": "it",
        "3": "-ista",
        "4": "",
        "5": "-ist"
      },
      "expansion": "Italian -ista (“-ist”)",
      "name": "bor"
    },
    {
      "args": {
        "1": "el",
        "2": "grc",
        "3": "-ιστής"
      },
      "expansion": "Ancient Greek -ιστής (-istḗs)",
      "name": "der"
    }
  ],
  "etymology_text": "From Italian -ista (“-ist”), from Ancient Greek -ιστής (-istḗs).",
  "forms": [
    {
      "form": "-ístas",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "suffix"
      },
      "expansion": "-ίστας • (-ístas)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "pianístas",
          "word": "πιανίστας"
        },
        {
          "roman": "tourístas",
          "word": "τουρίστας"
        },
        {
          "roman": "fasístas",
          "word": "φασίστας"
        },
        {
          "roman": "chioumorístas",
          "word": "χιουμορίστας"
        }
      ],
      "glosses": [
        "-ist"
      ],
      "id": "en--ίστας-el-suffix-NrUo8fUR",
      "links": [
        [
          "-ist",
          "-ist"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ίστας"
}

{
  "derived": [
    {
      "roman": "pianístas",
      "word": "πιανίστας"
    },
    {
      "roman": "tourístas",
      "word": "τουρίστας"
    },
    {
      "roman": "fasístas",
      "word": "φασίστας"
    },
    {
      "roman": "chioumorístas",
      "word": "χιουμορίστας"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "el",
        "2": "it",
        "3": "-ista",
        "4": "",
        "5": "-ist"
      },
      "expansion": "Italian -ista (“-ist”)",
      "name": "bor"
    },
    {
      "args": {
        "1": "el",
        "2": "grc",
        "3": "-ιστής"
      },
      "expansion": "Ancient Greek -ιστής (-istḗs)",
      "name": "der"
    }
  ],
  "etymology_text": "From Italian -ista (“-ist”), from Ancient Greek -ιστής (-istḗs).",
  "forms": [
    {
      "form": "-ístas",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "suffix"
      },
      "expansion": "-ίστας • (-ístas)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek suffixes",
        "Greek terms borrowed from Italian",
        "Greek terms derived from Ancient Greek",
        "Greek terms derived from Italian"
      ],
      "glosses": [
        "-ist"
      ],
      "links": [
        [
          "-ist",
          "-ist"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ίστας"
}