What is the meaning of Sileo?

to be silent, noiseless, quiet, make no sound; speak not, to be quiet

to keep silent over or about

to be inactive; rest, cease

De Vaan, Michiel (2008) Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, pages 563-4

Source: wiktionary.org