Where does “구각형” come from?

구각형 (Korean) comes from Chinese 九, from Proto-Sino-Tibetan d/s-kəw — nine.

구각형 (Korean): nonagon

Definitions

  1. nonagon

Ancestry of “구각형”, step by step

StepLanguageWordMeaning
1Chinese九—
2Proto-Sino-Tibetand/s-kəwnine
Every word from Proto-Sino-Tibetan d/s-kəw →Every word from Chinese 九 →