sternutation
Concise Oxford English Dictionary © 2008 Oxford University Press:
sternutation /ˌstəːnjʊˈteɪʃ(ə)n/
▶noun formal the action of sneezing.
– derivatives
sternutatory adjective.
sternutatory adjective.
– origin ME: from L. sternutatio(n-), from sternutare, frequentative of sternuere ‘to sneeze’.
'sternutation' also found in these Oxford entries:

