Where does “地下” come from?

地下 (Japanese) comes from Japanese 地, from Middle Chinese 地.

地下 (Japanese): underground; subterranean

Definitions

  1. underground; subterranean

Ancestry of “地下”, step by step

StepLanguageWordMeaning
1Japanese地earth, dirt; fabric, cloth; territory
2Middle Chinese地—

Words derived from “地下”

Every word from Middle Chinese 地 →Every word from Japanese 地 →
地下 — Etymology, Origin & Word History | Etymology Explorer