"filter up" meaning in English

{
  "forms": [
    {
      "form": "filters up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "filtering up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "filtered up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "filtered up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "filter up (third-person singular simple present filters up, present participle filtering up, simple past and past participle filtered up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English phrasal verbs with particle (up)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "There are some brilliant new approaches being created at grass-roots level, but it is taking a long time for them to filter up to the larger institutions."
        }
      ],
      "glosses": [
        "Of information, knowledge or practice; to move slowly up to other levels of an organisation, or population."
      ],
      "id": "en-filter_up-en-verb-TM0DfwM5",
      "links": [
        [
          "information",
          "information"
        ],
        [
          "knowledge",
          "knowledge"
        ],
        [
          "practice",
          "practice"
        ],
        [
          "organisation",
          "organisation"
        ],
        [
          "population",
          "population"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Of information, knowledge or practice; to move slowly up to other levels of an organisation, or population."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-filter up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/73/En-au-filter_up.ogg/En-au-filter_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/73/En-au-filter_up.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "filter up"
}

{
  "forms": [
    {
      "form": "filters up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "filtering up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "filtered up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "filtered up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "filter up (third-person singular simple present filters up, present participle filtering up, simple past and past participle filtered up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (up)",
        "English terms with audio links",
        "English verbs"
      ],
      "examples": [
        {
          "text": "There are some brilliant new approaches being created at grass-roots level, but it is taking a long time for them to filter up to the larger institutions."
        }
      ],
      "glosses": [
        "Of information, knowledge or practice; to move slowly up to other levels of an organisation, or population."
      ],
      "links": [
        [
          "information",
          "information"
        ],
        [
          "knowledge",
          "knowledge"
        ],
        [
          "practice",
          "practice"
        ],
        [
          "organisation",
          "organisation"
        ],
        [
          "population",
          "population"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Of information, knowledge or practice; to move slowly up to other levels of an organisation, or population."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-filter up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/73/En-au-filter_up.ogg/En-au-filter_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/73/En-au-filter_up.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "filter up"
}