noun
isinglass; fish glue
A gelatinous glue made from fish entrails, especially from the swim bladder. Rare term; usually written in kana.
See also: 膠 (にかわ)
にべは魚の浮き袋から作られる膠です。
Nibe is a glue made from fish swim bladders.
noun
amiability; friendliness; flattery
Used almost exclusively in the negative expressions にべもない or にべもなく, meaning 'bluntly', 'curtly', or 'without any pleasantries'.
See also: にべもない
彼はにべもなく断った。
He refused bluntly, without any pleasantries.
にべもない返事だった。
It was a curt reply.
にかわ is the common word for animal glue, while にべ specifically refers to fish-derived glue and is rare.
The origin is uncertain. The word may be related to the fish name にべ (鮸), from which the glue was traditionally made.