noun
entrance curtain (in noh)
A curtain at the entrance to the noh stage, lifted to allow performers to enter. Domain-specific term used in traditional Japanese theater.
能舞台では、揚幕が上がると演者が登場する。
On the noh stage, when the entrance curtain rises, the performer appears.
Compound of 揚げ (age, 'lifting') + 幕 (maku, 'curtain'). The exact historical derivation is uncertain; the spelling is conventionally associated with the lifting curtain used in noh theater.