"dudum" meaning in Latin

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "itc-pro",
        "3": "*dūdom"
      },
      "expansion": "Proto-Italic *dūdom",
      "name": "inh"
    },
    {
      "args": {
        "1": "la",
        "2": "unclear"
      },
      "expansion": "unclear",
      "name": "unk"
    },
    {
      "args": {
        "1": "grc",
        "2": "δήν",
        "3": "",
        "4": "for a long time, long ago"
      },
      "expansion": "Ancient Greek δήν (dḗn, “for a long time, long ago”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "sla-pro",
        "2": "*davě",
        "3": "",
        "4": "long ago"
      },
      "expansion": "Proto-Slavic *davě (“long ago”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Italic *dūdom, from base *dū, of unclear origin. De Vaan suggests it is related to dūrus, from PIE *dweh₂- (“far, long”), and therefore cognate with Ancient Greek δήν (dḗn, “for a long time, long ago”) and Proto-Slavic *davě (“long ago”) (whence *davьnъ (“ancient”)). Per Lewis and Short, from diū + dum.",
  "forms": [
    {
      "form": "dūdum",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "dūdum",
        "2": "-"
      },
      "expansion": "dūdum (not comparable)",
      "name": "la-adv"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "_dis": "97 3",
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "langcode": "la",
          "name": "Time",
          "orig": "la:Time",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "a short time ago, a little while ago, not long since"
      ],
      "id": "en-dudum-la-adv-G-i5VVKV",
      "tags": [
        "not-comparable"
      ]
    },
    {
      "glosses": [
        "before, formerly, previously"
      ],
      "id": "en-dudum-la-adv-E2Z1pi6s",
      "links": [
        [
          "before",
          "before"
        ],
        [
          "formerly",
          "formerly"
        ],
        [
          "previously",
          "previously"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈduː.dũː]",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "[ˈd̪uː.d̪um]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "dudum"
}

{
  "categories": [
    "Latin adverbs",
    "Latin entries with incorrect language header",
    "Latin lemmas",
    "Latin terms derived from Proto-Italic",
    "Latin terms inherited from Proto-Italic",
    "Latin terms with IPA pronunciation",
    "Latin terms with unknown etymologies",
    "Latin uncomparable adverbs",
    "Pages with 3 entries",
    "Pages with entries",
    "la:Time",
    "rom:Food and drink",
    "rom:Plants"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "itc-pro",
        "3": "*dūdom"
      },
      "expansion": "Proto-Italic *dūdom",
      "name": "inh"
    },
    {
      "args": {
        "1": "la",
        "2": "unclear"
      },
      "expansion": "unclear",
      "name": "unk"
    },
    {
      "args": {
        "1": "grc",
        "2": "δήν",
        "3": "",
        "4": "for a long time, long ago"
      },
      "expansion": "Ancient Greek δήν (dḗn, “for a long time, long ago”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "sla-pro",
        "2": "*davě",
        "3": "",
        "4": "long ago"
      },
      "expansion": "Proto-Slavic *davě (“long ago”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Italic *dūdom, from base *dū, of unclear origin. De Vaan suggests it is related to dūrus, from PIE *dweh₂- (“far, long”), and therefore cognate with Ancient Greek δήν (dḗn, “for a long time, long ago”) and Proto-Slavic *davě (“long ago”) (whence *davьnъ (“ancient”)). Per Lewis and Short, from diū + dum.",
  "forms": [
    {
      "form": "dūdum",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "dūdum",
        "2": "-"
      },
      "expansion": "dūdum (not comparable)",
      "name": "la-adv"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "a short time ago, a little while ago, not long since"
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "glosses": [
        "before, formerly, previously"
      ],
      "links": [
        [
          "before",
          "before"
        ],
        [
          "formerly",
          "formerly"
        ],
        [
          "previously",
          "previously"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈduː.dũː]",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "[ˈd̪uː.d̪um]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "dudum"
}