alwis

Compare Latvian al̂va (“tin”), Lithuanian álvas (displaced by Russian loan ãlavas), Proto-Slavic *olovo (“tin, lead”).

alwis

1. lead
   • c. 1300, Elbing German-Prussian Vocabulary‎^[1] (in Middle High German), page 180, line 527:

     Bley [Blei] — Alwis

     Lead — Alwis

• elwas (“tin ore”)

• Mažiulis, Vytautas (1988) “alwis”, in Prūsų kalbos etimologijos žodynas [Etymological dictionary of Old Prussian]‎^[2] (in Lithuanian), volume 1, Vilnius: Mokslas, page 73
• G. H. F. Nesselmann (1873) “alwis”, in Thesaurus linguae prussicae. Der preussische Vocabelvorrath [...] (in German), Berlin: Ferd. Dümmlers Verlagsbuchhandlung; Harrwitz & Gossmann, page 5