Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

late 14c., from Latin pestilentem (nominative pestilens), from pestilis "of the nature of a plague," from pestis "deadly contagious disease" (see pest (n.)). Related: Pestilently.

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.