Etymology of the English word decaying
the English word decaying
derived from the English word decay
derived from the French word decair
derived from the Latin word decidere (detach, cut off, out; fall, drop, hang; make explicit; put an end to, bring to conclusion)
derived from the Latin word cadere (to fall; fall, sink, drop)
derived from the Proto-Indo-European root *kad- (to fall)
derived from the Late Latin word caedere (chop, hew, cut out)
derived from the Proto-Indo-European root *kaə-id-
derived from the Latin word cidere