voilus

Perhaps from + vai (“goes”) +luz (“light”).

• IPA^(key): /bɔjˈluz̺/

voilus m (plural voiluses)

1. firefly; glowworm

   Synonyms: vagalume, lucecú, lurcucú, verme canteiro

• Antón Luís Santamarina Fernández, editor (2006–2013), “voilus”, in Dicionario de Dicionarios da lingua galega [Dictionary of Dictionaries of the Galician language] (in Galician), Santiago de Compostela: Instituto da Lingua Galega