Etymology of OSL

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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    {
      "name": "initialism of",
      "args": {
        "1": "en",
        "2": "object-source lighting"
      },
      "expansion": "Initialism of object-source lighting"
    }
  ],
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    [
      "object-source lighting",
      "object-source lighting#English"
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  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "A painting technique used to create the illusion that a part of a miniature is emitting light."
      ],
      "tags": [
        "uncountable"
      ],
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