"acher" meaning in Vieux haut allemand

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en vieux haut allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux haut allemand",
      "orig": "vieux haut allemand",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Vieux haut allemand",
  "lang_code": "goh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "aker"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en vieux haut allemand de l’agriculture",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Variante de aker : « champ »."
      ],
      "id": "fr-acher-goh-noun-ZOC~Lt1j",
      "tags": [
        "alt-of"
      ],
      "topics": [
        "agriculture"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "acher"
}

{
  "categories": [
    "Noms communs en vieux haut allemand",
    "vieux haut allemand"
  ],
  "lang": "Vieux haut allemand",
  "lang_code": "goh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "aker"
        }
      ],
      "categories": [
        "Lexique en vieux haut allemand de l’agriculture"
      ],
      "glosses": [
        "Variante de aker : « champ »."
      ],
      "tags": [
        "alt-of"
      ],
      "topics": [
        "agriculture"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "acher"
}