Where does “*stām” come from?
*stām (Old Frisian) comes from Proto-Germanic staumaz, from Proto-Indo-European dʰew- — to die, pass away; to run, flow.
Ancestry of “*stām”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Germanic | staumaz | steam, vapour |
| 2 | Proto-Indo-European | dʰew- | to die, pass away; to run, flow |