"spleno-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "σπλήν",
        "4": "",
        "5": "spleen"
      },
      "expansion": "Ancient Greek σπλήν (splḗn, “spleen”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "der",
        "3": "grc>σπλήν>spleen",
        "id": "spleen",
        "tree": "1"
      },
      "expansion": "Etymology tree\nAncient Greek σπλήν (splḗn)der.\nEnglish spleno-",
      "name": "etymon"
    }
  ],
  "etymology_text": "From Ancient Greek σπλήν (splḗn, “spleen”).\nEtymology tree\nAncient Greek σπλήν (splḗn)der.\nEnglish spleno-",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "spleno-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "spleno-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries referencing etymons with invalid IDs",
          "parents": [
            "Entries referencing etymons with invalid IDs",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [
            "Entries with etymology trees",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "spleen"
      ],
      "id": "en-spleno--en-prefix-nUhmcM~7",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "spleen",
          "spleen"
        ]
      ],
      "raw_glosses": [
        "(anatomy) spleen"
      ],
      "related": [
        {
          "word": "spleen"
        },
        {
          "word": "splenic"
        },
        {
          "word": "splenosis"
        }
      ],
      "synonyms": [
        {
          "word": "lieno-"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "spleen",
          "word": "spleno-"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "spleen",
          "word": "espleno-"
        }
      ]
    }
  ],
  "word": "spleno-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "σπλήν",
        "4": "",
        "5": "spleen"
      },
      "expansion": "Ancient Greek σπλήν (splḗn, “spleen”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "der",
        "3": "grc>σπλήν>spleen",
        "id": "spleen",
        "tree": "1"
      },
      "expansion": "Etymology tree\nAncient Greek σπλήν (splḗn)der.\nEnglish spleno-",
      "name": "etymon"
    }
  ],
  "etymology_text": "From Ancient Greek σπλήν (splḗn, “spleen”).\nEtymology tree\nAncient Greek σπλήν (splḗn)der.\nEnglish spleno-",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "spleno-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "spleno-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "related": [
    {
      "word": "spleen"
    },
    {
      "word": "splenic"
    },
    {
      "word": "splenosis"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries referencing etymons with invalid IDs",
        "English entries with etymology trees",
        "English entries with incorrect language header",
        "English lemmas",
        "English prefixes",
        "English terms derived from Ancient Greek",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Italian translations",
        "Terms with Spanish translations",
        "en:Anatomy"
      ],
      "glosses": [
        "spleen"
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "spleen",
          "spleen"
        ]
      ],
      "raw_glosses": [
        "(anatomy) spleen"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "lieno-"
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "spleen",
      "word": "spleno-"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "spleen",
      "word": "espleno-"
    }
  ],
  "word": "spleno-"
}