闇

1. Origins, structure, and basic meaning

• Structure: The single kanji 闇, read やみ, denotes darkness.
• Basic usage: 闇 primarily denotes absence of light and can figuratively refer to an unknown or concealed sphere.

2. Common pitfalls and similar expressions

• Darkness and figurative concealment
  • The noun after 闇の determines whether the context is physical darkness or abstraction.