Where does “cleanroom” come from?
cleanroom (English) comes from English room, from Middle English roum, from Old English rūm, from Proto-West Germanic rūm, from Proto-Germanic rūmaz, from Proto-Indo-European rewh₁- — free space.
cleanroom (English): A room or environment that is controlled in such...
Definitions
- A room or environment that is controlled in such...
Ancestry of “cleanroom”, step by step
cleanroom traces back through two separate lines of ancestry.
via English room
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | room | Opportunity or scope; Space "for" something, or... |
| 2 | Middle English | roum | A space or area; A room |
| 3 | Old English | rūm | room, space; roomy, spacious, ample, extensive,... |
| 4 | Proto-West Germanic | rūm | roomy, spacious; room, open space |
| 5 | Proto-Germanic | rūmaz | roomy, spacious, open |
| 6 | Proto-Indo-European | rewh₁- | free space |
via English clean
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | clean | "Free of dirt or impurities or protruberances.";... |
| 2 | Middle English | clene | clean |
| 3 | Old English | clǣne | pure, clear; clean, pure |
| 4 | Proto-Germanic | klainiz | shining, fine, splendid; tender, precious |
| 5 | Proto-Indo-European | g(e)lēi- | gleaming |
| 6 | Proto-Indo-European | ǵel- | to swallow; swallow |