DictionaryRoot: -osis
Greek
-osis
a process, state, or condition
Forms
- -osis
- -ose — One later development in substance names.
Origin
A Greek action-noun ending, often formed from verbs in -oun.
Note
Medical use made it familiar in condition names, but disease is not its universal meaning.
2 / 4
noun
fibrosis
fy-BROH-sis/faɪbrˈoʊsʌs/
Thickening or scarring of tissue caused by excess fibrous connective tissue.
Etymology
Fibra supplies the idea of fibers, while -osis marks a medical condition. The compound names fibrous growth in an organ—the tissue change described as thickening or scarring.