/diseases/{disease_code}/etymology

Returns **word-history notes** for the disease name: one object per linked etymology fragment, sorted by **`term`**. There are **no** query parameters. #### **Path parameters** | Name | Description | | --- | --- | | `disease_code` | GIDEON disease id (the numeric id in the path). | #### **Success response** `{ "data": [ … ] }` Each element: | Field | Type | Description | | --- | --- | --- | | `term` | string | Label for the name fragment (often aligns with part of the disease name). | | `meaning` | string | Explanation of origin or usage. May contain basic HTML (for example `<i>…</i>`). | | `references` | array | Supporting citations. Each item includes **`reference_number`**, **`citation`**, **`short_citation`**, and **`href`** (relative path to the references API). Empty when none are attached. | If the disease has no linked etymology material, **`data`** is an empty array. #### **Errors** | HTTP status | When | | --- | --- | | **404** | Unknown disease id — `{ "error": { "message": "Invalid disease id." } }`. |