"λάβδα" meaning in Grec ancien

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots indéclinables en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec ancien",
      "orig": "grec ancien",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "lang": "Latin",
      "lang_code": "la",
      "word": "labda"
    }
  ],
  "etymology_texts": [
    "Variante de λάμβδα."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "lábda",
    "indéclinable"
  ],
  "related": [
    {
      "word": "λάμβδα"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Lambda, λ."
      ],
      "id": "fr-λάβδα-grc-noun-UMSUElrU"
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "λάβδα"
}

{
  "categories": [
    "Mots indéclinables en grec ancien",
    "Noms communs en grec ancien",
    "grec ancien"
  ],
  "derived": [
    {
      "lang": "Latin",
      "lang_code": "la",
      "word": "labda"
    }
  ],
  "etymology_texts": [
    "Variante de λάμβδα."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "lábda",
    "indéclinable"
  ],
  "related": [
    {
      "word": "λάμβδα"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Lambda, λ."
      ]
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "λάβδα"
}