pulvera

Latin

pulvera (Late Latin)

nominative/accusative plural of pulvis or *pulvus n (neuter plural found in the Mulomedicina Chironis)^[1]

Insular Romance:
- Sardinian: bùlvera, bùrvera, bùrvura
Italo-Romance:
- Italian:
  Central Italian: porvera, polvera, porvara, polvara
  
  Corsican: polvara
  
  Tuscan: polvora, polvera
- Sicilian: prùvula, ⇒ pruvulazzu
Rhaeto-Romance:
- Romansh: pulvra, puorla, polvra, puolvra
Gallo-Italic:
- Emilian: polvra, pura
- Lombard: povra, polvra, polvora (Alpine)
- Ligurian: pûa
- Piedmontese: povra, ⇒ povràss
- Romagnol: porbia
Northern Gallo-Romance:
- Franco-Provençal: poudra, poura, pouvra
- Old French: poudre, puldre, pudre, poldre, podre, polre (Picardy, Lorraine), pourre (Champagne), poure, pourre (see there for further descendants)
Southern Gallo-Romance:
- Catalan: pólvora, pólvera, polbra
  - → Spanish: pólvora
    - → Aragonese: polvora
    - → Galician: pólvora
    - → Portuguese: pólvora
    - → Tagalog: pulbura
      - → Tausug: pulbura
- Old Occitan: polvera, poldra, porba
  - Gascon: prova, porla
  - Occitan: polvera, pouvera

AIS: Sprach- und Sachatlas Italiens und der Südschweiz [Linguistic and Ethnographic Atlas of Italy and Southern Switzerland] – map 851: “la polvere” – on navigais-web.pd.istc.cnr.it
Coromines, Joan; Pascual, José Antonio (1985), “polvo”, in Diccionario crítico etimológico castellano e hispánico [Critical Castilian and Hispanic etymological dictionary]‎^[1] (in Spanish), volume IV (Me–Re), Madrid: Gredos, →ISBN, page 599

pulvera n

pulvera n