"isco-" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "grc",
        "3": "ἴσχο-"
      },
      "expansion": "Ancient Greek ἴσχο- (ískho-)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "ἴσχω",
        "3": "",
        "4": "I restrain, hold"
      },
      "expansion": "ἴσχω (ískhō, “I restrain, hold”)",
      "name": "m"
    }
  ],
  "etymology_text": "From Ancient Greek ἴσχο- (ískho-), derived from ἴσχω (ískhō, “I restrain, hold”).",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "prefix"
      },
      "expansion": "isco-",
      "name": "head"
    }
  ],
  "hyphenation": [
    "i‧sco-"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Medicine",
          "orig": "it:Medicine",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "retention"
      ],
      "id": "en-isco--it-prefix-jiIBJEAd",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "retention",
          "retention"
        ]
      ],
      "raw_glosses": [
        "(medicine) retention"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/i.sko/"
    }
  ],
  "word": "isco-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "grc",
        "3": "ἴσχο-"
      },
      "expansion": "Ancient Greek ἴσχο- (ískho-)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "ἴσχω",
        "3": "",
        "4": "I restrain, hold"
      },
      "expansion": "ἴσχω (ískhō, “I restrain, hold”)",
      "name": "m"
    }
  ],
  "etymology_text": "From Ancient Greek ἴσχο- (ískho-), derived from ἴσχω (ískhō, “I restrain, hold”).",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "prefix"
      },
      "expansion": "isco-",
      "name": "head"
    }
  ],
  "hyphenation": [
    "i‧sco-"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Italian 2-syllable words",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian prefixes",
        "Italian terms derived from Ancient Greek",
        "Italian terms with IPA pronunciation",
        "it:Medicine"
      ],
      "glosses": [
        "retention"
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "retention",
          "retention"
        ]
      ],
      "raw_glosses": [
        "(medicine) retention"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/i.sko/"
    }
  ],
  "word": "isco-"
}