Etymology in the sources
Source-reportedwł. Piera
Sources for this account (3)
- Polish Wiktionary: PierettaCC-BY-SA-4.0 · retrieved 2026-10-14
- Wikidata Q104621622CC0-1.0 · retrieved 2026-10-15
- Italian Wiktionary: PierettaCC-BY-SA-4.0 · retrieved 2026-10-14

