黄泉路

Etymology
Compound of.

The kanji spelling reflects the extension of the sense from "the road to the underworld" to '"the underworld" itself.

Noun

 * 1) the road to the land of the dead; by extension, the underworld itself

Usage notes
The spelling may be more common in certain contexts.

Derived terms

 * : alternative name for : scaly thrush
 * : alternative name for : scaly thrush