"potasch" meaning in Néerlandais

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots parfois masculins ou féminins en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Néerlandais",
      "orig": "néerlandais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Néerlandais",
  "lang_code": "nl",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "potas"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Termes désuets en néerlandais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Variante de potas."
      ],
      "id": "fr-potasch-nl-noun-8vH8mrNo",
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "tags": [
    "feminine",
    "masculine"
  ],
  "word": "potasch"
}

{
  "categories": [
    "Lemmes en néerlandais",
    "Mots parfois masculins ou féminins en néerlandais",
    "Noms communs en néerlandais",
    "néerlandais"
  ],
  "lang": "Néerlandais",
  "lang_code": "nl",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "potas"
        }
      ],
      "categories": [
        "Termes désuets en néerlandais"
      ],
      "glosses": [
        "Variante de potas."
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "tags": [
    "feminine",
    "masculine"
  ],
  "word": "potasch"
}