-gnosis
combining form in countable noun
(esp in medicine) recognition or knowledge
⇒ 
prognosis
⇒ 
diagnosis
Derived Forms
-gnostic combining form in adjectiveOrigin
via Latin from Greek: gnosis-gnosis
Word Origin
1 
a combining form meaning “knowledge,” used in the formation of compound words:
prognosis.
Origin
< Latin -gnōsis < Greek; see gnosis
Related Words
- -gnostic
- astereognosis
- baragnosis
- barognosis
- diagnosis
- dysgnosia
-gno·sis
\(g)ˈnōsə̇s\  noun combining form 
(plural -gno·ses \-ōˌsēz\) 
Etymology: Latin, from Greek gnōsis knowledge 
 : knowledge : cognition : recognition 
< barognosis >
< psychognosis >
< barognosis >
< psychognosis >