forms nouns: scler--osis - hardening (of tissues) of; The medical suffix -sclerosis refers to the abnormal hardening of a body tissue or organ. In clinical practice, this often involves the replacement of normal functional tissue with fibrous connective tissue, leading to a loss of elasticity.
greek The term originates from the Ancient Greek word sklērōsis (σκλήρωσις), meaning “hardening”. This is derived from the root sklēros (σκληρός), which translates to “hard”. It entered English via Medieval Latin in the late 14th century, initially describing hard tumors or morbid tissue hardening.