"φταίω" meaning in Grego

{
  "categories": [
    {
      "kind": "other",
      "name": "!Entrada (Grego)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dissílabo (Grego)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Entrada com etimologia (Grego)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Entrada com pronúncia (Grego)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Paroxítona (Grego)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbo (Grego)",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Do grego antigo πταίω (ptáiō) , pelo grego medieval φταίω."
  ],
  "lang": "Grego",
  "lang_code": "el",
  "pos": "verb",
  "pos_title": "Verbo",
  "senses": [
    {
      "glosses": [
        "ser culpado, ter culpa"
      ],
      "id": "pt-φταίω-el-verb-SpeIZu0I"
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈftɛ.ɔ/"
    },
    {
      "ipa": "/\"ftE.O/",
      "tags": [
        "X-SAMPA"
      ]
    }
  ],
  "word": "φταίω"
}

{
  "categories": [
    "!Entrada (Grego)",
    "Dissílabo (Grego)",
    "Entrada com etimologia (Grego)",
    "Entrada com pronúncia (Grego)",
    "Paroxítona (Grego)",
    "Verbo (Grego)"
  ],
  "etymology_texts": [
    "Do grego antigo πταίω (ptáiō) , pelo grego medieval φταίω."
  ],
  "lang": "Grego",
  "lang_code": "el",
  "pos": "verb",
  "pos_title": "Verbo",
  "senses": [
    {
      "glosses": [
        "ser culpado, ter culpa"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈftɛ.ɔ/"
    },
    {
      "ipa": "/\"ftE.O/",
      "tags": [
        "X-SAMPA"
      ]
    }
  ],
  "word": "φταίω"
}