1. quamdiu — de Vaan
quamdiu 'how long, as long as' (P1.+); (4) diurnus 'of the day; daily' (Cic.+), diutinus 'lasting for a long time' (Pl+); biduum 'period of two days' (Cato+), triduum 'period of three days' (P1.+), quadnduum 'period of four days' (Pl+); (5) dhts [adj.] 'daylif (Enn.+). Pit, nom. *di(j)ous, gen. *diwos, loc. *di(j)ou I *djowi 'day'; ad. *-diwo- Of the day'. PIE *di-eu- 'day; sky\ IE cognates: see s.v. lupiter; Skt. … — [de Vaan, s.v. quamdiu, p. 187]