A crevasse at the junction of a glacier or snowfield with a steep upper slope.
Mid 19th century: from German, from Berg ‘mountain’ + Schrund ‘crevice’.
“I reach the bergschrund in less than an hour, only to find that I’ve miscalculated.”
An antechamber, hall, or lobby next to the outer door of a building.
Early 17th century (denoting the space in front of the main entrance of a classical Roman or Greek building): from French, or from Latin vestibulum ‘entrance court’.