"въ" meaning in 古教會斯拉夫語

{
  "categories": [
    {
      "kind": "other",
      "name": "來自原始印歐語詞根*h₁en的古教會斯拉夫語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "原始印歐語紅鏈",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "原始印歐語紅鏈/l",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "古教會斯拉夫語介詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "古教會斯拉夫語詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有2個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自原始斯拉夫語的古教會斯拉夫語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "源自原始斯拉夫語的古教會斯拉夫語繼承詞",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "原始印歐語詞\n *h₁en\n源自原始斯拉夫語 *vъ(n)。與英語 in、拉丁語 in、古希臘語 ἐν (en)。",
  "forms": [
    {
      "form": "vŭ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "古教會斯拉夫語",
  "lang_code": "cu",
  "pos": "prep",
  "pos_title": "介詞",
  "senses": [
    {
      "glosses": [
        "到……的裡面"
      ],
      "id": "zh-въ-cu-prep-iWTFXmsx"
    }
  ],
  "word": "въ"
}

{
  "categories": [
    "來自原始印歐語詞根*h₁en的古教會斯拉夫語詞",
    "原始印歐語紅鏈",
    "原始印歐語紅鏈/l",
    "古教會斯拉夫語介詞",
    "古教會斯拉夫語詞元",
    "有2個詞條的頁面",
    "有詞條的頁面",
    "派生自原始斯拉夫語的古教會斯拉夫語詞",
    "源自原始斯拉夫語的古教會斯拉夫語繼承詞"
  ],
  "etymology_text": "原始印歐語詞\n *h₁en\n源自原始斯拉夫語 *vъ(n)。與英語 in、拉丁語 in、古希臘語 ἐν (en)。",
  "forms": [
    {
      "form": "vŭ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "古教會斯拉夫語",
  "lang_code": "cu",
  "pos": "prep",
  "pos_title": "介詞",
  "senses": [
    {
      "glosses": [
        "到……的裡面"
      ]
    }
  ],
  "word": "въ"
}