decease (v.) Look up decease at Dictionary.com
"to die," early 15c., from decease (n.). Related: Deceased; deceasing
decease (n.) Look up decease at Dictionary.com
"death," early 14c., from Old French deces (12c., Modern French décès) "decease, death," from Latin decessus "death" (euphemism for mors), also "a retirement, a departure," from decess-, past participle stem of decedere "die, depart, withdraw," literally "to go down," from de- "away" (see de-) + cedere "to go" (from PIE root *ked- "to go, yield"). Still used with a tinge of euphemism.