Excess
late Middle English: via Old French from Latin excessus, from excedere ‘go out, surpass’ (see exceed).
wiktionary
From Middle English exces(“excess, ecstasy”), from Old French exces, from Latin excessus(“a going out, loss of self-possession”), from excedere, excessum(“to go out, go beyond”). See exceed.
etymonline
excess (n.)
"a going beyond ordinary, necessary, or proper limits; superfluity; undue indulgence of appetite, want of restraint in gratifying the desires; the amount by which one number or quantity exceeds another," late 14c., from Old French exces (14c.) "excess, extravagance, outrage," from Latin excessus "departure, a going beyond the bounds of reason or beyond the subject," from stem of excedere "to depart, go beyond," from ex "out" (see ex-) + cedere "to go, yield" (from PIE root *ked- "to go, yield"). As an adjective, "beyond what is necessary, proper, or right," from late 15c.
