mid-15c., cessacyoun "interruption, a ceasing; abdication," from Latin cessationem (nominative cessatio) "a delaying, ceasing, tarrying," noun of action from past-participle stem of cessare "to delay" (from PIE root *ked- "to go, yield").
a cessation of the thunder
Cesar
cesarean
cesarian
cesium
cess
cessation
cession
cesspit
cesspool
Cestrian
cestus