"einstieg" meaning in 德语

{
  "categories": [
    {
      "kind": "other",
      "name": "德語動詞變位形式",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "德語非詞元形式",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "德语",
  "lang_code": "de",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "einsteigen"
        }
      ],
      "glosses": [
        "einsteigen 的第一人稱/第三人稱單數從屬子句preterite"
      ],
      "id": "zh-einstieg-de-verb-l7mjC0tS",
      "tags": [
        "form-of"
      ]
    }
  ],
  "word": "einstieg"
}

{
  "categories": [
    "德語動詞變位形式",
    "德語非詞元形式",
    "有1個詞條的頁面",
    "有詞條的頁面"
  ],
  "lang": "德语",
  "lang_code": "de",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "einsteigen"
        }
      ],
      "glosses": [
        "einsteigen 的第一人稱/第三人稱單數從屬子句preterite"
      ],
      "tags": [
        "form-of"
      ]
    }
  ],
  "word": "einstieg"
}