"σπονδή" meaning in Grec ancien

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec ancien",
      "orig": "grec ancien",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "lang": "Français",
      "lang_code": "fr",
      "word": "Spondé"
    }
  ],
  "etymology_texts": [
    "Apparenté au latin sponte, de σπένδω (« verser, offrir à boire »)."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "σπονδή, spondê"
  ],
  "senses": [
    {
      "examples": [
        {
          "ref": "Eschyle",
          "text": "σπονδὰς θεοῖς λείβειν"
        }
      ],
      "glosses": [
        "Libation."
      ],
      "id": "fr-σπονδή-grc-noun-z89YDGIu"
    },
    {
      "examples": [
        {
          "text": "μυστηριῶτιςσπονδή, armistice durant les mystères d’Éleusis."
        }
      ],
      "glosses": [
        "Traité de paix (les traités étaient scellés par des libations), armistice."
      ],
      "id": "fr-σπονδή-grc-noun-B-wwicdq"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "σπονδή"
}

{
  "categories": [
    "Noms communs en grec ancien",
    "grec ancien"
  ],
  "derived": [
    {
      "lang": "Français",
      "lang_code": "fr",
      "word": "Spondé"
    }
  ],
  "etymology_texts": [
    "Apparenté au latin sponte, de σπένδω (« verser, offrir à boire »)."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "σπονδή, spondê"
  ],
  "senses": [
    {
      "examples": [
        {
          "ref": "Eschyle",
          "text": "σπονδὰς θεοῖς λείβειν"
        }
      ],
      "glosses": [
        "Libation."
      ]
    },
    {
      "examples": [
        {
          "text": "μυστηριῶτιςσπονδή, armistice durant les mystères d’Éleusis."
        }
      ],
      "glosses": [
        "Traité de paix (les traités étaient scellés par des libations), armistice."
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "σπονδή"
}