"self-energy" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "self",
        "3": "energy"
      },
      "expansion": "self- + energy",
      "name": "prefix"
    }
  ],
  "etymology_text": "self- + energy",
  "forms": [
    {
      "form": "self-energies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "self-energy (plural self-energies)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        {
          "kind": "other",
          "name": "English terms prefixed with self-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
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        }
      ],
      "glosses": [
        "the portion of the elementary particle's mass due to the interaction with its environment"
      ],
      "id": "en-self-energy-en-noun-n8D9Ol6T",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "elementary particle",
          "elementary particle"
        ]
      ],
      "raw_glosses": [
        "(physics) the portion of the elementary particle's mass due to the interaction with its environment"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "self-energy"
      ]
    }
  ],
  "word": "self-energy"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "self",
        "3": "energy"
      },
      "expansion": "self- + energy",
      "name": "prefix"
    }
  ],
  "etymology_text": "self- + energy",
  "forms": [
    {
      "form": "self-energies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "self-energy (plural self-energies)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "en:Physics"
      ],
      "glosses": [
        "the portion of the elementary particle's mass due to the interaction with its environment"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "elementary particle",
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        ]
      ],
      "raw_glosses": [
        "(physics) the portion of the elementary particle's mass due to the interaction with its environment"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "self-energy"
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    }
  ],
  "word": "self-energy"
}