"Psamma" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en conventions internationales issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms scientifiques",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du grec ancien ψάμμα, psámma (« sable »)."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "noun",
  "pos_title": "Nom scientifique",
  "raw_tags": [
    "Psamma"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en conventions internationales",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Ancien nom du genre Ammophila, le composé Psamma arenaria (« sable des sables, oyat ») étant absurde, le genre a été renommé."
      ],
      "id": "fr-Psamma-conv-noun-jLkqFNKY"
    }
  ],
  "word": "Psamma"
}

{
  "categories": [
    "Mots en conventions internationales issus d’un mot en grec ancien",
    "Noms scientifiques",
    "conventions internationales"
  ],
  "etymology_texts": [
    "Du grec ancien ψάμμα, psámma (« sable »)."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "noun",
  "pos_title": "Nom scientifique",
  "raw_tags": [
    "Psamma"
  ],
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en conventions internationales"
      ],
      "glosses": [
        "Ancien nom du genre Ammophila, le composé Psamma arenaria (« sable des sables, oyat ») étant absurde, le genre a été renommé."
      ]
    }
  ],
  "word": "Psamma"
}