pivot-hinge door
Archaic term for a door mounted on a pivot hinge (枢, くるる). Not used in modern Japanese; encountered only in historical or architectural contexts.
See also: 枢 (くるる)
The pivot-hinge door of the old temple still turns quietly.
Compound of 枢 (くるる, 'pivot hinge') and 戸 (ど, 'door'). The exact historical derivation is uncertain, but the term is attested in classical Japanese.