Where does “短母音” come from?

短母音 (Japanese) comes from Japanese 短, from Middle Chinese 短 — short.

短母音 (Japanese): a short vowel

Definitions

  1. a short vowel

Ancestry of “短母音”, step by step

短母音 traces back through two separate lines of ancestry.

via Japanese 短

StepLanguageWordMeaning
1Japanese短fault, weak point; minor
2Middle Chinese短short

via Japanese 母音

StepLanguageWordMeaning
1Japanese母音vowel
Every word from Middle Chinese 短 →Every word from Japanese 短 →