Where does “yako” come from?

yako (Ido) comes from English yak, from Korean 약, from Japanese 役, from Middle Chinese 役.

yako (Ido): yak

Definitions

  1. yak

Ancestry of “yako”, step by step

StepLanguageWordMeaning
1EnglishyakAn ox-like mammal native to the Himalayas,...
2Korean약drug; medicine; approximately; about; an ancient...
3Japanese役role, service, use; hand, scoring combination;...
4Middle Chinese役—

Words derived from “yako”

Every word from Middle Chinese 役 →Every word from Japanese 役 →Every word from Korean 약 →
yako — Etymology, Origin & Word History | Etymology Explorer