Where does “unpenetrable” come from?
unpenetrable (English) comes from English penetrable, from Middle English penetrable, from Old French penetrable, from Medieval Latin penetrabilis, from Latin penetro, from Latin penes, from Proto-Italic penets, from Proto-Indo-European pen-et-s — bog, mire; moist; wet; mud; swamp; water; mire,...
unpenetrable (English): impenetrable
Definitions
- impenetrable
Ancestry of “unpenetrable”, step by step
unpenetrable traces back through two separate lines of ancestry.
via English penetrable
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | penetrable | Capable of being penetrated, entered, or pierced.... |
| 2 | Middle English | penetrable | — |
| 3 | Old French | penetrable | — |
| 4 | Medieval Latin | penetrabilis | penetrable; piercing |
| 5 | Latin | penetro | I enter; I penetrate |
| 6 | Latin | penes | Under one's government or command; In one's... |
| 7 | Proto-Italic | penets | — |
| 8 | Proto-Indo-European | pen-et-s | food |
| 9 | Proto-Indo-European | pen- | bog, mire; moist; wet; mud; swamp; water; mire,... |
via English un
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | un | One |