"앞서" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "앞",
        "3": "-서",
        "t1": "before",
        "t2": "at"
      },
      "expansion": "앞 (ap, “before”) + 서 (-seo, “at”)",
      "name": "affix"
    }
  ],
  "etymology_text": "Possibly 앞 (ap, “before”) + 서 (-seo, “at”).",
  "forms": [
    {
      "form": "apseo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "앞서 • (apseo)",
      "name": "ko-adv"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Korean terms suffixed with -서",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "previously; foregoing"
      ],
      "id": "en-앞서-ko-adv-V-i-bE9S",
      "links": [
        [
          "previously",
          "previously"
        ],
        [
          "foregoing",
          "foregoing"
        ]
      ]
    },
    {
      "glosses": [
        "before"
      ],
      "id": "en-앞서-ko-adv-bbfYA-dP",
      "links": [
        [
          "before",
          "before"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[a̠ps͈ʌ̹]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "압써"
    },
    {
      "other": "[압써]"
    }
  ],
  "word": "앞서"
}

{
  "categories": [
    "Korean adverbs",
    "Korean entries with incorrect language header",
    "Korean lemmas",
    "Korean terms suffixed with -서",
    "Korean terms with IPA pronunciation",
    "Korean terms with redundant script codes",
    "Korean terms with redundant transliterations",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "앞",
        "3": "-서",
        "t1": "before",
        "t2": "at"
      },
      "expansion": "앞 (ap, “before”) + 서 (-seo, “at”)",
      "name": "affix"
    }
  ],
  "etymology_text": "Possibly 앞 (ap, “before”) + 서 (-seo, “at”).",
  "forms": [
    {
      "form": "apseo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "앞서 • (apseo)",
      "name": "ko-adv"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "previously; foregoing"
      ],
      "links": [
        [
          "previously",
          "previously"
        ],
        [
          "foregoing",
          "foregoing"
        ]
      ]
    },
    {
      "glosses": [
        "before"
      ],
      "links": [
        [
          "before",
          "before"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[a̠ps͈ʌ̹]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "압써"
    },
    {
      "other": "[압써]"
    }
  ],
  "word": "앞서"
}