Origin: Greek suffix -osis
Prognosis has 3 different meanings across 1 category:
a prediction of the course of a disease
"The doctor gave me a poor prognosis after reviewing my test results, so we need to start treatment immediately."
A forecast of the future course of a disease or disorder, based on medical knowledge.
"After reviewing his test results, the doctor gave him an excellent prognosis for a full recovery from the infection."