Word origin
[1870–75; Gk
askēsis exercise, training, equiv. to
askē- (var. s. of
askeîn to practice, train) +
-sis -sis]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: Mafia, asymmetric, billing, fifth wheel, washout-sis is a suffix appearing in loanwords from Greek, where it was used to form from verbsabstract nouns of action, process, state, condition, etc. Other words that use theaffix -sis include: analysis, anamorphosis, dieresis, ellipsis, prolepsis