"-4j" meaning in All languages combined

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Java"
      },
      "expansion": "Java",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "4",
        "3": "J",
        "pos2": "abbreviation of <i class=\"Latn mention\" lang=\"en\">Java</i>",
        "t1": "for"
      },
      "expansion": "4 (“for”) + J (abbreviation of Java)",
      "name": "affix"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "J"
      },
      "expansion": "J",
      "name": "m"
    }
  ],
  "etymology_text": "4 (“for”) + J (abbreviation of Java), with the J in lowercase for stylistic reasons.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
      },
      "expansion": "-4j",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-4j",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with collocations",
          "parents": [
            "Terms with collocations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Log4j",
          "type": "example"
        },
        {
          "text": "couchdb4j",
          "type": "example"
        }
      ],
      "glosses": [
        "Forming names of Java libraries or frameworks; for Java"
      ],
      "id": "en--4j-en-suffix-fdfqkiyn",
      "links": [
        [
          "libraries",
          "library#English"
        ],
        [
          "framework",
          "framework#English"
        ],
        [
          "for",
          "for"
        ],
        [
          "Java",
          "Java"
        ]
      ],
      "synonyms": [
        {
          "word": "-4J"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fɔː(ɹ) d͡ʒeɪ/"
    }
  ],
  "word": "-4j"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Java"
      },
      "expansion": "Java",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "4",
        "3": "J",
        "pos2": "abbreviation of <i class=\"Latn mention\" lang=\"en\">Java</i>",
        "t1": "for"
      },
      "expansion": "4 (“for”) + J (abbreviation of Java)",
      "name": "affix"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "J"
      },
      "expansion": "J",
      "name": "m"
    }
  ],
  "etymology_text": "4 (“for”) + J (abbreviation of Java), with the J in lowercase for stylistic reasons.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
      },
      "expansion": "-4j",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-4j",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English suffixes",
        "English terms spelled with numbers",
        "English terms with IPA pronunciation",
        "English terms with collocations"
      ],
      "examples": [
        {
          "text": "Log4j",
          "type": "example"
        },
        {
          "text": "couchdb4j",
          "type": "example"
        }
      ],
      "glosses": [
        "Forming names of Java libraries or frameworks; for Java"
      ],
      "links": [
        [
          "libraries",
          "library#English"
        ],
        [
          "framework",
          "framework#English"
        ],
        [
          "for",
          "for"
        ],
        [
          "Java",
          "Java"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fɔː(ɹ) d͡ʒeɪ/"
    }
  ],
  "synonyms": [
    {
      "word": "-4J"
    }
  ],
  "word": "-4j"
}