Where does “四面半六面体” come from?

四面半六面体 (Japanese) comes from Japanese 半, from Middle Chinese 半.

四面半六面体 (Japanese): tetrahemihexahedron

Definitions

  1. tetrahemihexahedron

Ancestry of “四面半六面体”, step by step

四面半六面体 traces back through two separate lines of ancestry.

via Japanese 半

StepLanguageWordMeaning
1Japanese半odd; half, semi-; Antonyms
2Middle Chinese半—

via Japanese 四面

StepLanguageWordMeaning
1Japanese四面four sides, all sides
Every word from Middle Chinese 半 →Every word from Japanese 半 →