ひたいかくし

Etymology
Compound of. Apparently so named because the curtain is short and only extends downwards far enough to possibly hide the foreheads of anyone standing behind it (see images).

First cited to the, an encyclopedia of Japanese culture up through 1867 (the start of the ), commissioned by the Meiji government and published over the period of 1896–1914.

Noun

 * 1)   a kind of short ornamental curtain suspended over the front or edge of an area, such as the curtain around the edge of the ceremonial Shinto roof over the center of a sumo arena, or the foremost decorative curtain on traditional Japanese theater stages such as for noh or kabuki