Where does “横突起” come from?

横突起 (Japanese) comes from Japanese 横, from Middle Chinese 橫.

横突起 (Japanese): a transverse process

Definitions

  1. a transverse process

Ancestry of “横突起”, step by step

横突起 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseside
2Middle Chinese

via Japanese 突起

StepLanguageWordMeaning
1Japanese突起a part that juts out of a surface, such as a protuberance, a projection, a prominence, a bump, a process, a promontory, an apophysis, an appendix, etc
Every word from Middle Chinese Every word from Japanese