Old Norse origin
Source-reportedMeaning: “female bear”
See Old Norse birna (“female bear”).
Sources for this account (4)
- Wiktionary: BirnaCC-BY-SA-4.0 · retrieved 2026-10-15
- Greek Wiktionary: BirnaCC-BY-SA-4.0 · retrieved 2026-10-15
- French Wiktionary: BirnaCC-BY-SA-4.0 · retrieved 2026-10-14
- Polish Wiktionary: BirnaCC-BY-SA-4.0 · retrieved 2026-10-14

