"null suffix" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "null",
        "3": "suffix"
      },
      "expansion": "null + suffix",
      "name": "com"
    }
  ],
  "etymology_text": "From null + suffix.",
  "forms": [
    {
      "form": "null suffixes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "null suffix (plural null suffixes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistic morphology",
          "orig": "en:Linguistic morphology",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: null prefix"
        }
      ],
      "glosses": [
        "Synonym of zero suffix"
      ],
      "id": "en-null_suffix-en-noun-wsjZLfMd",
      "links": [
        [
          "zero suffix",
          "zero suffix#English"
        ]
      ],
      "related": [
        {
          "english": "representation of the null suffix",
          "word": "-∅"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "zero suffix"
        }
      ]
    }
  ],
  "word": "null suffix"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "null",
        "3": "suffix"
      },
      "expansion": "null + suffix",
      "name": "com"
    }
  ],
  "etymology_text": "From null + suffix.",
  "forms": [
    {
      "form": "null suffixes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "null suffix (plural null suffixes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "english": "representation of the null suffix",
      "word": "-∅"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Linguistic morphology"
      ],
      "examples": [
        {
          "text": "Coordinate term: null prefix"
        }
      ],
      "glosses": [
        "Synonym of zero suffix"
      ],
      "links": [
        [
          "zero suffix",
          "zero suffix#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "zero suffix"
        }
      ]
    }
  ],
  "word": "null suffix"
}