"πέρδονται" meaning in Ancient Greek

{
  "forms": [
    {
      "form": "pérdontai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "πέρδονται • (pérdontai)",
      "name": "grc-verb form"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ancient Greek terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "pérdomai",
          "word": "πέρδομαι"
        }
      ],
      "glosses": [
        "third-person plural present mediopassive indicative of πέρδομαι (pérdomai)"
      ],
      "id": "en-πέρδονται-grc-verb-c5r9jOIX",
      "links": [
        [
          "πέρδομαι",
          "πέρδομαι#Ancient Greek"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "mediopassive",
        "plural",
        "present",
        "third-person"
      ]
    }
  ],
  "word": "πέρδονται"
}

{
  "forms": [
    {
      "form": "pérdontai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "πέρδονται • (pérdontai)",
      "name": "grc-verb form"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek non-lemma forms",
        "Ancient Greek proparoxytone terms",
        "Ancient Greek terms with redundant script codes",
        "Ancient Greek verb forms"
      ],
      "form_of": [
        {
          "extra": "pérdomai",
          "word": "πέρδομαι"
        }
      ],
      "glosses": [
        "third-person plural present mediopassive indicative of πέρδομαι (pérdomai)"
      ],
      "links": [
        [
          "πέρδομαι",
          "πέρδομαι#Ancient Greek"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "mediopassive",
        "plural",
        "present",
        "third-person"
      ]
    }
  ],
  "word": "πέρδονται"
}