Where does “unpoisonous” come from?
unpoisonous (English) comes from English poisonous, from Middle English poisounous.
unpoisonous (English): Not poisonous
Ancestry of “unpoisonous”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | poisonous | Containing sufficient poison to be dangerous to... |
| 2 | Middle English | poisounous | — |