"extremal" meaning in English

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  "etymology_text": "Etymology tree\nEnglish extreme\nProto-Indo-European *h₂el-der.?\nProto-Italic *-ālis\nLatin -ālisbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish extremal\nFrom extreme + -al.",
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          "translation": "in a w:en:Recursive definition; recursive definition",
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      "expansion": "Etymology tree\nEnglish extreme\nProto-Indo-European *h₂el-der.?\nProto-Italic *-ālis\nLatin -ālisbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish extremal\n[Appendix:Glossary#loanword|Borrowed]] from\", \"terms\" : [ { \"id\" : \"forming adjectives\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"adjectivizing suffix\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"is_uncertain\" : true, \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"id\" : \"grow\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*h₂el-\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-ālis\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old French\", \"term\" : \"-al\", \"lang\" : \"fro\" }, { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"id\" : \"adjectivizing suffix\", \"children\" : [ ], \"status\" : { \"1\" : \"la\", \"2\" : \":inh\", \"3\" : \"itc-pro:*-ālis\", \"id\" : \"adjectivizing suffix\", \"title\" : \"-ālis\", \"pos\" : \"suffix\" }, \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old French\", \"term\" : \"-el\", \"lang\" : \"fro\" }, { \"is_duplicate\" : true, \"id\" : \"adjectivizing suffix\", \"children\" : [ ], \"status\" : { \"1\" : \"la\", \"2\" : \":inh\", \"3\" : \"itc-pro:*-ālis\", \"id\" : \"adjectivizing suffix\", \"title\" : \"-ālis\", \"pos\" : \"suffix\" }, \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-al\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"-al\", \"status\" : \"ok\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"extremal\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"extremal\">\nFrom extreme + -al.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish extreme\nProto-Indo-European *h₂el-der.?\nProto-Italic *-ālis\nLatin -ālisbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish extremal\nFrom extreme + -al.",
  "forms": [
    {
      "form": "extremals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "extremal (plural extremals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Mathematics"
      ],
      "glosses": [
        "Any solution to a variety of equations in the calculus of variations."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "solution",
          "solution"
        ],
        [
          "equation",
          "equation"
        ],
        [
          "calculus of variations",
          "calculus of variations"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any solution to a variety of equations in the calculus of variations."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "extremal"
}