Where does “iæster” come from?
iæster (Old Swedish) comes from Old Norse jǫstr, from Proto-Germanic jestuz, from Proto-Indo-European yes- — to foam; to boil.
Ancestry of “iæster”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Norse | jǫstr | yeast |
| 2 | Proto-Germanic | jestuz | fermentation; byproducts or agents of... |
| 3 | Proto-Indo-European | yes- | to foam; to boil |
Words derived from “iæster”