short (book, etc.); small volume
Used to describe a book or written work that is short in length. Often contrasted with 大部 (たいぶ, 'long/large volume').
Antonyms: 大部
This novel is short, so I can read it in a day.
I published a short collection of poems.
Compound of 小 (しょう, 'small') and 部 (ぶ, 'part, section, volume'). The exact historical derivation is uncertain, but the meaning is transparent from its components.