縦割り

1. Origins, structure, and basic meaning

• Structure: 縦割り is read as たてわり and denotes a lengthwise split or, figuratively, an organization divided into departmental silos.
• Basic usage: Literal division appears in 竹を縦割りにする, while organizational boundaries appear in 組織の縦割りを越える.

2. Common pitfalls and similar expressions

• Literal and figurative uses
  • Bamboo is physically split along its length; in an organization, the word describes barriers between departments.
• Evaluative nuance
  • In organizational contexts, 縦割り often criticizes separation that obstructs cooperation, not merely a neutral reporting structure.