An Etymological Dictionary of Astronomy and Astrophysics

Having boundaries; limited. → closed curve; → closed Universe.

Etymology (EN): Closed, p.p. of close, from M.E. clos, from O.Fr., from clore “to shut,” from L. clausus, p.p. of claudere “to close.”

Etymology (PE): Basté p.p.of bastan,
from Mid.Pers. bastan/vastan “to bind, shut,” Av./O.Pers. band- “to bind, fetter,” banda- “band, tie,” Skt. bandh- “to bind, tie, fasten,” PIE *bhendh- “to bind,” cf. Ger. binden, E. bind, → band.