[えぼし, eboshi] (n) black-lacquered headgear (made of silk, cloth or paper) originally worn by court nobles in ancient Japan, and afterwards spreading to the common people
[あかえぼし, akaeboshi] (n) (1) (See 亭主の好きな赤烏帽子) red eboshi (headgear worn by Japanese men prior to and during the Edo period, which was ordinarily black in color); (2) metaphor for an odd item or having a taste for such an item