"lepto-" meaning in Translingual

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "grc",
        "3": "λεπτός",
        "4": "",
        "5": "thin"
      },
      "expansion": "Ancient Greek λεπτός (leptós, “thin”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek λεπτός (leptós, “thin”).",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "prefix"
      },
      "expansion": "lepto-",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Taxonomy",
          "orig": "mul:Taxonomy",
          "parents": [
            "Biology",
            "Evolutionary theory",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "thin, narrow"
      ],
      "id": "en-lepto--mul-prefix-Rcd14Mn0",
      "links": [
        [
          "taxonomy",
          "taxonomy"
        ],
        [
          "thin",
          "thin"
        ],
        [
          "narrow",
          "narrow"
        ]
      ],
      "raw_glosses": [
        "(taxonomy) thin, narrow"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "taxonomy"
      ]
    }
  ],
  "word": "lepto-"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English prefixes",
    "English terms borrowed from Ancient Greek",
    "English terms derived from Ancient Greek"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "grc",
        "3": "λεπτός",
        "4": "",
        "5": "thin"
      },
      "expansion": "Ancient Greek λεπτός (leptós, “thin”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek λεπτός (leptós, “thin”).",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "prefix"
      },
      "expansion": "lepto-",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual prefixes",
        "Translingual terms borrowed from Ancient Greek",
        "Translingual terms derived from Ancient Greek",
        "mul:Taxonomy"
      ],
      "glosses": [
        "thin, narrow"
      ],
      "links": [
        [
          "taxonomy",
          "taxonomy"
        ],
        [
          "thin",
          "thin"
        ],
        [
          "narrow",
          "narrow"
        ]
      ],
      "raw_glosses": [
        "(taxonomy) thin, narrow"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "taxonomy"
      ]
    }
  ],
  "word": "lepto-"
}