"niegdyś" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "含有前綴nie-的波蘭語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "含有後綴-ś的波蘭語詞",
      "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"
    },
    {
      "kind": "other",
      "name": "波蘭語副詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "波蘭語無比較級副詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "波蘭語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "源自nie- + gdy + -ś。",
  "lang": "波蘭語",
  "lang_code": "pl",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "波蘭語書面用語",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "過去，以前，曾經"
      ],
      "id": "zh-niegdyś-pl-adv-pJGLH2E4",
      "tags": [
        "literary"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "過去，以前，曾經",
      "word": "kiedyś"
    },
    {
      "sense": "過去，以前，曾經",
      "word": "dawniej"
    }
  ],
  "tags": [
    "not-comparable"
  ],
  "word": "niegdyś"
}

{
  "categories": [
    "含有前綴nie-的波蘭語詞",
    "含有後綴-ś的波蘭語詞",
    "有1個詞條的頁面",
    "有詞條的頁面",
    "波蘭語副詞",
    "波蘭語無比較級副詞",
    "波蘭語詞元"
  ],
  "etymology_text": "源自nie- + gdy + -ś。",
  "lang": "波蘭語",
  "lang_code": "pl",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "波蘭語書面用語"
      ],
      "glosses": [
        "過去，以前，曾經"
      ],
      "tags": [
        "literary"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "過去，以前，曾經",
      "word": "kiedyś"
    },
    {
      "sense": "過去，以前，曾經",
      "word": "dawniej"
    }
  ],
  "tags": [
    "not-comparable"
  ],
  "word": "niegdyś"
}