erect · rack

1. Origins, structure, and basic meaning

• Structure: 架 has 9 strokes and refers to building a bridge or setting something across a space.
• Basic usage: 架ける is read かける, and 架空 is read かくう.

2. Common pitfalls and similar expressions

• What is built and where
  • In 小川に木の橋を架けた, に marks where the bridge was built, and を marks the bridge itself.
  • The verb also describes connecting people figuratively, as in 交流の橋を架ける.
• Fictional objects
  • 架空の島 is an imaginary island, and 架空の住所 is a nonexistent address.
  • 架空 takes の to modify a noun.