"Schnee von gestern" meaning in German

{
  "etymology_templates": [
    {
      "args": {
        "1": "de",
        "2": "fr",
        "3": "neiges d'antan",
        "t": "yesteryear's snow"
      },
      "expansion": "Calque of French neiges d’antan (“yesteryear's snow”)",
      "name": "cal"
    },
    {
      "args": {
        "1": "yesterday's snow"
      },
      "expansion": "“yesterday's snow”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "yesterday's snow",
        "nocap": "1"
      },
      "expansion": "literally, “yesterday's snow”",
      "name": "lit"
    },
    {
      "args": {
        "1": "en",
        "2": "where are the snows of yesteryear"
      },
      "expansion": "English where are the snows of yesteryear",
      "name": "cog"
    }
  ],
  "etymology_text": "Calque of French neiges d’antan (“yesteryear's snow”), in German literally, “yesterday's snow”. Compare English where are the snows of yesteryear.",
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "noun"
      },
      "expansion": "Schnee von gestern",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Instead, they said: That person's a good professional, an “excellent educator” even. They may have been part of the SS or the NSDAP, but that's water under the bridge, we'll take them.",
          "ref": "2020 November 21, Petra Schellen, quoting Michael Jung, “Historiker über Professoren nach 1945: „70 Prozent waren Nazis“”, in Die Tageszeitung: taz, →ISSN",
          "text": "Sondern man hat gesagt: Das ist ein guter Fachmann, ja ein „ausgezeichneter Erzieher“. Er war zwar in der SS oder NSDAP, aber das ist Schnee von gestern, wir nehmen ihn.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "water under the bridge"
      ],
      "id": "en-Schnee_von_gestern-de-noun-jut-Hb71",
      "links": [
        [
          "water under the bridge",
          "water under the bridge"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, colloquial) water under the bridge"
      ],
      "tags": [
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈʃneː fɔn ˌɡɛstɐn]"
    },
    {
      "audio": "De-Schnee_von_gestern.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a5/De-Schnee_von_gestern.ogg/De-Schnee_von_gestern.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/a5/De-Schnee_von_gestern.ogg",
      "text": "Audio"
    }
  ],
  "word": "Schnee von gestern"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "de",
        "2": "fr",
        "3": "neiges d'antan",
        "t": "yesteryear's snow"
      },
      "expansion": "Calque of French neiges d’antan (“yesteryear's snow”)",
      "name": "cal"
    },
    {
      "args": {
        "1": "yesterday's snow"
      },
      "expansion": "“yesterday's snow”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "yesterday's snow",
        "nocap": "1"
      },
      "expansion": "literally, “yesterday's snow”",
      "name": "lit"
    },
    {
      "args": {
        "1": "en",
        "2": "where are the snows of yesteryear"
      },
      "expansion": "English where are the snows of yesteryear",
      "name": "cog"
    }
  ],
  "etymology_text": "Calque of French neiges d’antan (“yesteryear's snow”), in German literally, “yesterday's snow”. Compare English where are the snows of yesteryear.",
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "noun"
      },
      "expansion": "Schnee von gestern",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "German colloquialisms",
        "German entries with incorrect language header",
        "German idioms",
        "German lemmas",
        "German multiword terms",
        "German nouns",
        "German terms calqued from French",
        "German terms derived from French",
        "German terms with IPA pronunciation",
        "German terms with audio links",
        "German terms with quotations"
      ],
      "examples": [
        {
          "english": "Instead, they said: That person's a good professional, an “excellent educator” even. They may have been part of the SS or the NSDAP, but that's water under the bridge, we'll take them.",
          "ref": "2020 November 21, Petra Schellen, quoting Michael Jung, “Historiker über Professoren nach 1945: „70 Prozent waren Nazis“”, in Die Tageszeitung: taz, →ISSN",
          "text": "Sondern man hat gesagt: Das ist ein guter Fachmann, ja ein „ausgezeichneter Erzieher“. Er war zwar in der SS oder NSDAP, aber das ist Schnee von gestern, wir nehmen ihn.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "water under the bridge"
      ],
      "links": [
        [
          "water under the bridge",
          "water under the bridge"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, colloquial) water under the bridge"
      ],
      "tags": [
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈʃneː fɔn ˌɡɛstɐn]"
    },
    {
      "audio": "De-Schnee_von_gestern.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a5/De-Schnee_von_gestern.ogg/De-Schnee_von_gestern.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/a5/De-Schnee_von_gestern.ogg",
      "text": "Audio"
    }
  ],
  "word": "Schnee von gestern"
}