Where does “downwelling” come from?
downwelling (English) comes from English welling, from English well, from Middle English wellen, from Old English weallan, from Proto-Germanic wallaną, from Proto-Indo-European wēlH-, from Proto-Indo-European welH- — to turn, to wind.
downwelling (English): The sinking of a higher-density medium through a lower-density one
Definitions
- The sinking of a higher-density medium through a lower-density one
Ancestry of “downwelling”, step by step
downwelling traces back through two separate lines of ancestry.
via English welling
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | welling | present participle of well; The act of something... |
| 2 | English | well | Accurately, competently, satisfactorily;... |
| 3 | Middle English | wellen | to boil, to bubble |
| 4 | Old English | weallan | to well |
| 5 | Proto-Germanic | wallaną | to well up, spring out, bubble forth |
| 6 | Proto-Indo-European | wēlH- | to roll, to undulate |
| 7 | Proto-Indo-European | welH- | to turn, to wind |