Where does “双円錐” come from?

双円錐 (Japanese) comes from Japanese 双 — set of two, pair.

双円錐 (Japanese): bicone, dicone

Definitions

  1. bicone, dicone

Ancestry of “双円錐”, step by step

双円錐 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseset of two, pair

via Japanese 円錐

StepLanguageWordMeaning
1Japanese円錐a cone
Every word from Japanese