Biduum, bidui. Terent.The spsce of two dayes.Venerat ad eum illo biduo Letilius.Cic.Bidui solicitudo.Terent.Care for two dayes space.Bidui nauigatio. Plin. Two dayes sayling.Bidui aberant castra.Cic.Two dayes iourney of.Biduum continens. Suet. Two dayes continally.Per biduum.Cic.For the space of.Propius qum tu biduum.Cicer.Narre than you, by two dayes iourney.
Lewis and Short: Latin dictionary
bĭŏs, i, m., = bi/os (life), a very celebrated and wholesome Greek wine, Plin. 14, 8, 10, 77; 23, 1, 26, 53.