"λύχνος" 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": [
    {
      "word": "λυχνίον"
    },
    {
      "word": "λυχνίς"
    },
    {
      "word": "λυχνίτης"
    },
    {
      "lang": "Grec",
      "lang_code": "el",
      "word": "λύχνος"
    }
  ],
  "etymology_texts": [
    "Apparenté à λευκός, leukós (« lumineux, blanc »), au latin lux (« lumière »)."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "λύχνος, lúkhnos"
  ],
  "related": [
    {
      "translation": "torche",
      "word": "λαμπάς"
    }
  ],
  "senses": [
    {
      "examples": [
        {
          "text": "περὶ λύχνων ἁφάς, vers l'heure des lampes, le soir."
        }
      ],
      "glosses": [
        "Lampe."
      ],
      "id": "fr-λύχνος-grc-noun-4YMS0i8h"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "λύχνος"
}

{
  "categories": [
    "Noms communs en grec ancien",
    "grec ancien"
  ],
  "derived": [
    {
      "word": "λυχνίον"
    },
    {
      "word": "λυχνίς"
    },
    {
      "word": "λυχνίτης"
    },
    {
      "lang": "Grec",
      "lang_code": "el",
      "word": "λύχνος"
    }
  ],
  "etymology_texts": [
    "Apparenté à λευκός, leukós (« lumineux, blanc »), au latin lux (« lumière »)."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "λύχνος, lúkhnos"
  ],
  "related": [
    {
      "translation": "torche",
      "word": "λαμπάς"
    }
  ],
  "senses": [
    {
      "examples": [
        {
          "text": "περὶ λύχνων ἁφάς, vers l'heure des lampes, le soir."
        }
      ],
      "glosses": [
        "Lampe."
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "λύχνος"
}