Where does “腰椎” come from?

腰椎 (Japanese) comes from Japanese 椎 — any tree of the genus "Castanopsis".

腰椎 (Japanese): a lumbar vertebra

Definitions

  1. a lumbar vertebra

Ancestry of “腰椎”, step by step

腰椎 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseany tree of the genus "Castanopsis"

via Japanese

StepLanguageWordMeaning
1Japaneselower back; hip
Every word from Japanese