Proto-Germanic origin
Source-reportedMeaning: “pledge” + “bright, famous”
From Gisilbert, from Proto-Germanic *gīslaz (“pledge”) + *berhtaz (“bright, famous”).
Sources for this account (8)
- Wiktionary: GilbertoCC-BY-SA-4.0 · retrieved 2026-10-15
- Greek Wiktionary: GilbertoCC-BY-SA-4.0 · retrieved 2026-10-15
- Spanish Wiktionary: GilbertoCC-BY-SA-4.0 · retrieved 2026-10-14
- French Wiktionary: GilbertoCC-BY-SA-4.0 · retrieved 2026-10-14
- Polish Wiktionary: GilbertoCC-BY-SA-4.0 · retrieved 2026-10-14
- Portuguese Wiktionary: GilbertoCC-BY-SA-4.0 · retrieved 2026-10-14
- Russian Wiktionary: GilbertoCC-BY-SA-4.0 · retrieved 2026-10-14
- Turkish Wiktionary: GilbertoCC-BY-SA-4.0 · retrieved 2026-10-14

