Pahlavi origin
Source-reportedMeaning: “river-strong”
Borrowed from Classical Persian رُسْتَم (rustam), from Middle Persian [script needed] (lwtsthm /rōdstahm/).
Sources for this account (2)
- Wiktionary: РүстемCC-BY-SA-4.0 · retrieved 2026-10-15
- Wikipedia (en): RostamCC-BY-SA-4.0 · retrieved 2026-10-15

