prognosis
Concise Oxford English Dictionary © 2008 Oxford University Press:
prognosis /prɒgˈnəʊsɪs/
▶noun (pl. prognoses /-siːz/) a forecast, especially of the likely course of a disease or ailment.
– origin C17: via late L. from Gk prognōsis, from pro- ‘before’ + gignōskein ‘know’.
'prognosis' also found in these Oxford entries:

