"summa summarum" meaning in Norwegian Bokmål

{
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "la",
        "3": "summa summārum",
        "t": "sum of sums"
      },
      "expansion": "Latin summa summārum (“sum of sums”)",
      "name": "bor"
    }
  ],
  "etymology_text": "From Latin summa summārum (“sum of sums”).",
  "head_templates": [
    {
      "args": {
        "1": "nb",
        "2": "adverb"
      },
      "expansion": "summa summarum",
      "name": "head"
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Norwegian Bokmål entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "in total"
      ],
      "id": "en-summa_summarum-nb-adv-oxF2sonQ",
      "links": [
        [
          "in total",
          "in total"
        ]
      ],
      "qualifier": "higher register",
      "raw_glosses": [
        "(higher register) in total"
      ],
      "synonyms": [
        {
          "word": "alt i alt"
        }
      ]
    }
  ],
  "word": "summa summarum"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "la",
        "3": "summa summārum",
        "t": "sum of sums"
      },
      "expansion": "Latin summa summārum (“sum of sums”)",
      "name": "bor"
    }
  ],
  "etymology_text": "From Latin summa summārum (“sum of sums”).",
  "head_templates": [
    {
      "args": {
        "1": "nb",
        "2": "adverb"
      },
      "expansion": "summa summarum",
      "name": "head"
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Norwegian Bokmål adverbs",
        "Norwegian Bokmål entries with incorrect language header",
        "Norwegian Bokmål higher register terms",
        "Norwegian Bokmål lemmas",
        "Norwegian Bokmål multiword terms",
        "Norwegian Bokmål terms borrowed from Latin",
        "Norwegian Bokmål terms derived from Latin",
        "Pages with 5 entries",
        "Pages with entries"
      ],
      "glosses": [
        "in total"
      ],
      "links": [
        [
          "in total",
          "in total"
        ]
      ],
      "qualifier": "higher register",
      "raw_glosses": [
        "(higher register) in total"
      ],
      "synonyms": [
        {
          "word": "alt i alt"
        }
      ]
    }
  ],
  "word": "summa summarum"
}