腕飾り (うでかざり, udekazari) Japanese meaning: armlet | KotomoraShe wore a silver armlet.
Colorful bracelets are an essential part of the traditional costume.
腕
Etymology
Compound of 腕 (うで, 'arm') and 飾り (かざり, 'decoration'). The exact historical derivation is uncertain, but the word transparently means 'arm decoration'.