椎鈍しいにび

also: しいにぶ

Meanings

1

rare term

Rare term for a deep, lustrous black, possibly used in classical or poetic contexts.

古ふるい文ぶん献けんに「椎しい鈍にび」という色いろ名めいが出でてくる。
The color name 椎鈍 appears in old documents.