From de re- + ollo (“eye”).
de reollo
- askance; out of the corner of one's eye
- Antón Luís Santamarina Fernández, editor (2006–2013), “reollo”, in Dicionario de Dicionarios da lingua galega [Dictionary of Dictionaries of the Galician language] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
- Antón Luís Santamarina Fernández, Ernesto Xosé González Seoane, María Álvarez de la Granja, editors (2003–2018), “de reollo”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega
- Rosario Álvarez Blanco, editor (2014–2024), “de reollo”, in Tesouro do léxico patrimonial galego e portugués (in Galician), Santiago de Compostela: Instituto da Lingua Galega, →ISSN
