predecease

[ pree-di-sees ]

/ ˌpri dɪˈsis /

to die before (another person, the occurrence of an event, etc.).

Origin of predecease

First recorded in 1585–95; pre- + decease

Suppose she were to predecease—he would have the moon, and be unable to appreciate it.

Historic Oddities |Sabine Baring-Gould
Mr. Rich died in April, 1891, having arranged that his bequest should not lapse in consequence of the predecease of my father.

Charles Darwin: His Life in an Autobiographical Chapter, and in a Selected Series of His Published Letters |Charles Darwin
As a general rule, legacies given to persons who predecease the testator do not take effect; they are said to lapse.

Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 4 |Various
In the course of nature he was almost bound to predecease her.

She Stands Accused |Victor MacClure

If she should predecease the testator, then everything is left to his child or children.

The Lion's Share |E. Arnold Bennett

predecease

/ (ˌpriːdɪˈsiːs) /

to die before (some other person)

rare earlier death