No definitions found for 'era of prosperity'
Perhaps one of these:
ear-piercer,
eriophorum angustifolium,
eurafric,
eurybia argophylla,
ear-bored,
eurypharynx pelecanoides,
eira barbara,
ear piercing,
erew pram,
eriophorum vaginatum,
eurafrican,
eriophorum