"-rrea" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "grc",
        "3": "",
        "4": "-ρροια"
      },
      "expansion": "Ancient Greek -ρροια (-rrhoia)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "διάρροια"
      },
      "expansion": "διάρροια (diárrhoia)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "ῥέω",
        "3": "",
        "4": "I flow"
      },
      "expansion": "ῥέω (rhéō, “I flow”)",
      "name": "m"
    }
  ],
  "etymology_text": "From Ancient Greek -ρροια (-rrhoia), derived from διάρροια (diárrhoia), akin to ῥέω (rhéō, “I flow”).",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-rrea f",
      "name": "head"
    }
  ],
  "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": "topical",
          "langcode": "it",
          "name": "Medicine",
          "orig": "it:Medicine",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "-rrhea"
      ],
      "id": "en--rrea-it-suffix-Ms~1XRdM",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "-rrhea",
          "-rrhea"
        ]
      ],
      "raw_glosses": [
        "(medicine) -rrhea"
      ],
      "tags": [
        "feminine",
        "morpheme"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "-rrea"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "grc",
        "3": "",
        "4": "-ρροια"
      },
      "expansion": "Ancient Greek -ρροια (-rrhoia)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "διάρροια"
      },
      "expansion": "διάρροια (diárrhoia)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "ῥέω",
        "3": "",
        "4": "I flow"
      },
      "expansion": "ῥέω (rhéō, “I flow”)",
      "name": "m"
    }
  ],
  "etymology_text": "From Ancient Greek -ρροια (-rrhoia), derived from διάρροια (diárrhoia), akin to ῥέω (rhéō, “I flow”).",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-rrea f",
      "name": "head"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Italian entries with incorrect language header",
        "Italian feminine suffixes",
        "Italian lemmas",
        "Italian suffixes",
        "Italian terms derived from Ancient Greek",
        "it:Medicine"
      ],
      "glosses": [
        "-rrhea"
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "-rrhea",
          "-rrhea"
        ]
      ],
      "raw_glosses": [
        "(medicine) -rrhea"
      ],
      "tags": [
        "feminine",
        "morpheme"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "-rrea"
}