"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 formed with \"up\"",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              117,
              126
            ]
          ],
          "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.",
          "type": "example"
        }
      ],
      "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"
    }
  ],
  "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 formed with \"up\"",
        "English terms with usage examples",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              117,
              126
            ]
          ],
          "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.",
          "type": "example"
        }
      ],
      "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"
    }
  ],
  "word": "filter up"
}