Where does “coalwashing” come from?
coalwashing (English) comes from English coal, from Middle English col, from Old English cōl, from Proto-West Germanic kōl(ī), from Proto-Germanic kōluz, from Proto-Germanic kalaną, from Proto-Indo-European ǵel- — to swallow; swallow.
coalwashing (English): The process of cleaning coal by separating undesirable materials using a fluid
Definitions
- The process of cleaning coal by separating undesirable materials using a fluid
Ancestry of “coalwashing”, step by step
coalwashing traces back through two separate lines of ancestry.
via English coal
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | coal | A black rock formed from prehistoric plant... |
| 2 | Middle English | col | cole; coal |
| 3 | Old English | cōl | cool, cold, tranquil, calm |
| 4 | Proto-West Germanic | kōl(ī) | cool |
| 5 | Proto-Germanic | kōluz | cool |
| 6 | Proto-Germanic | kalaną | to be cold, to freeze |
| 7 | Proto-Indo-European | ǵel- | to swallow; swallow |