Where does “小口” come from?

小口 (Japanese) comes from Japanese 口, from Japanese くち, from Japanese 朽ちる.

小口 (Japanese): small lot, small sum, small amount; end, edge,...

Definitions

  1. small lot, small sum, small amount; end, edge,...

Ancestry of “小口”, step by step

小口 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesemouth; opening; the mouth
2Japaneseくちmouth
3Japanese朽ちる

via Japanese

StepLanguageWordMeaning
1Japanesesmallness; small size, small; Short for 小の月;...
2Old Japaneseささ
Every word from Japanese 朽ちるEvery word from Japanese くちEvery word from Japanese