Where does “環状線” come from?

環状線 (Japanese) comes from Japanese 線 — line; level; beam.

環状線 (Japanese): circle route; loop line

Definitions

  1. circle route; loop line

Ancestry of “環状線”, step by step

環状線 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseline; level; beam

via Japanese 環状

StepLanguageWordMeaning
1Japanese環状a ring shape, being annular
Every word from Japanese