紺かん珠じゅ

noun

dark blue memory gem

Rare literary term for a legendary dark blue gem, said to be possessed by Zhang Yue, that could restore memories when stroked. Not used in modern everyday language.

• 伝でん説せつによれば、張ちょう説せつは紺かん珠じゅという不ふ思し議ぎな宝ほう玉ぎょくを持もっていた。

  According to legend, Zhang Yue possessed a mysterious gem called 紺珠.