dēcessus — Lewis & Short
dēcessus, ūs, m.decedo,
I a going away, departure (opp. accessus—good prose).
I In gen.:
post Dionysii decessum,Nep. Tim. 2, 3.—
II Esp.
A The withdrawal, retirement of a magistrate from the province he has governed (in Cic. oftener decessio):
post M. Bruti decessum,Cic. Phil. 2, 38; so Cael. ap. Cic. Fam. 8, 10 fin.—
B Pregn., decrease, disappearance, departure:
aestūs,the ebbing, subsidence, Caes. B. G. 3, 13;
Nili,Plin. 18, 18, 47, § 168:
febris,Cels. 3, 12:
morbi,Gell. 4, 2, 13.—
2 Decease, death:
amicorum decessu plerique angi solent,Cic. Lael. 3, 10; cf.: EX DECESSV L. CAESARIS, Cenot. Pis. ap. Orell. Inscr. 643.