"super-sub" meaning in English

{
  "forms": [
    {
      "form": "super-subs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "super-sub (plural super-subs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "supersub"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Football (soccer)",
          "orig": "en:Football (soccer)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              25,
              34
            ]
          ],
          "ref": "2023 April 6, Emma Sanders, “Women's Finalissima:England beat Brazil in dramatic shhotout”, in BBC Sport:",
          "text": "Toone, who has gone from super-sub to starter since the Euros, also took her opportunity to cement her place in midfield in the absence of injured Chelsea star Fran Kirby and got a goal to show for her efforts.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of supersub."
      ],
      "id": "en-super-sub-en-noun--VTWfDZC",
      "links": [
        [
          "soccer",
          "soccer"
        ],
        [
          "supersub",
          "supersub#English"
        ]
      ],
      "raw_glosses": [
        "(soccer) Alternative form of supersub."
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "ball-games",
        "games",
        "hobbies",
        "lifestyle",
        "soccer",
        "sports"
      ]
    }
  ],
  "word": "super-sub"
}

{
  "forms": [
    {
      "form": "super-subs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "super-sub (plural super-subs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "supersub"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Football (soccer)"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              25,
              34
            ]
          ],
          "ref": "2023 April 6, Emma Sanders, “Women's Finalissima:England beat Brazil in dramatic shhotout”, in BBC Sport:",
          "text": "Toone, who has gone from super-sub to starter since the Euros, also took her opportunity to cement her place in midfield in the absence of injured Chelsea star Fran Kirby and got a goal to show for her efforts.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of supersub."
      ],
      "links": [
        [
          "soccer",
          "soccer"
        ],
        [
          "supersub",
          "supersub#English"
        ]
      ],
      "raw_glosses": [
        "(soccer) Alternative form of supersub."
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "ball-games",
        "games",
        "hobbies",
        "lifestyle",
        "soccer",
        "sports"
      ]
    }
  ],
  "word": "super-sub"
}