Where does “insidious” come from?
Insidious comes from Middle French insidieux, from Latin insidiosus, formed with the suffix -osus from Proto-Italic ensedjās combined with the suffix -owonssos.
insidious (English): Producing harm in a stealthy, often gradual,...
Definitions
- Producing harm in a stealthy, often gradual,...
Ancestry of “insidious”, step by step
Words derived from “insidious”