Origin of pestiferous
- Middle English from Latin pestiferus variant of pestifer pestis pestilence pest -fer -fer
From American Heritage Dictionary of the English Language, 5th Edition
- Mid 15th century, in sense “mischievous, pernicious", from Latin pestiferus (“bearing plague"), from pestifer, from pestis (“plague") + ferre (“carry") (see infer).
- Surface analysis is pest +"Ž -iferous (“bearing, carrying").