"ἀ-" meaning in Grego Antigo

{
  "categories": [
    {
      "kind": "other",
      "name": "!Entrada (Grego Antigo)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Prefixo (Grego Antigo)",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Grego Antigo",
  "lang_code": "grc",
  "pos": "prefix",
  "pos_title": "Prefixo",
  "senses": [
    {
      "examples": [
        {
          "text": "ἄδελος, ἀήθης."
        }
      ],
      "glosses": [
        "negativo ou privativo."
      ],
      "id": "pt-ἀ--grc-prefix-hrhpGq3k"
    },
    {
      "examples": [
        {
          "text": "ἄχοιτις, ἀτάλαντος."
        }
      ],
      "glosses": [
        "copulativo."
      ],
      "id": "pt-ἀ--grc-prefix-mwSdKYnc"
    },
    {
      "examples": [
        {
          "text": "ἄβρομος, ἀτενής."
        }
      ],
      "glosses": [
        "aumentativo."
      ],
      "id": "pt-ἀ--grc-prefix-16sWPftx"
    },
    {
      "examples": [
        {
          "text": "ἀλείφω, ἀσπαίρω."
        }
      ],
      "glosses": [
        "protético."
      ],
      "id": "pt-ἀ--grc-prefix-EkOOLeS1"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "ἀ-"
}

{
  "categories": [
    "!Entrada (Grego Antigo)",
    "Prefixo (Grego Antigo)"
  ],
  "lang": "Grego Antigo",
  "lang_code": "grc",
  "pos": "prefix",
  "pos_title": "Prefixo",
  "senses": [
    {
      "examples": [
        {
          "text": "ἄδελος, ἀήθης."
        }
      ],
      "glosses": [
        "negativo ou privativo."
      ]
    },
    {
      "examples": [
        {
          "text": "ἄχοιτις, ἀτάλαντος."
        }
      ],
      "glosses": [
        "copulativo."
      ]
    },
    {
      "examples": [
        {
          "text": "ἄβρομος, ἀτενής."
        }
      ],
      "glosses": [
        "aumentativo."
      ]
    },
    {
      "examples": [
        {
          "text": "ἀλείφω, ἀσπαίρω."
        }
      ],
      "glosses": [
        "protético."
      ]
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "ἀ-"
}

{
  "called_from": "XYZunsorted",
  "msg": "unknown section: Escrita alternativa",
  "path": [
    "ἀ-"
  ],
  "section": "Grego Antigo",
  "subsection": "",
  "title": "ἀ-",
  "trace": ""
}