Etymology in the sources
Source-reporteddal nome proprio Pietro
Sources for this account (6)
- Italian Wiktionary: PietraCC-BY-SA-4.0 · retrieved 2026-10-14
- Wikidata Q19802944CC0-1.0 · retrieved 2026-10-15
- Wiktionary: PietraCC-BY-SA-4.0 · retrieved 2026-10-15
- Greek Wiktionary: PietraCC-BY-SA-4.0 · retrieved 2026-10-15
- Portuguese Wiktionary: PietraCC-BY-SA-4.0 · retrieved 2026-10-14
- Chinese Wiktionary: PietraCC-BY-SA-4.0 · retrieved 2026-10-14

