事こと珍めずらし

shiku-adjective (archaic)

unusual; rare; curious

Archaic shiku adjective. In modern Japanese, this meaning is expressed by 珍しい (めずらしい). Found only in classical or highly literary contexts.

• 古こ典てんでは「ことめずらしきもの」のように使つかわれる。

  In classical texts, it is used like ことめずらしきもの (a rare thing).