"apropos" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "待分類的英語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "德语副词",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "拉丁文字",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "德语",
  "lang_code": "de",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "adv. 顺便说一下，说起，说到，适当地; 及时地; 恰当地\n#既然说到这里了，"
      ],
      "id": "zh-apropos-de-adv-J0YQS3pf"
    }
  ],
  "word": "apropos"
}

{
  "categories": [
    "待分類的英語詞",
    "德语副词",
    "拉丁文字",
    "英語"
  ],
  "lang": "德语",
  "lang_code": "de",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "adv. 顺便说一下，说起，说到，适当地; 及时地; 恰当地\n#既然说到这里了，"
      ]
    }
  ],
  "word": "apropos"
}