1574, in the meaning defined above
borrowed from Latin abscessus "departure, withdrawal, congestion, abscess," from abscēdere "to go away, withdraw, form an abscess" (from abs-, variant of ab- ab- before c- and t- + cēdere "to go, withdraw, move away") + -tus, suffix of verbal nouns — more at cede
abscess
nounabscess
noun