Where does “小臼歯” come from?

小臼歯 (Japanese) comes from Japanese 臼歯, from Japanese 歯, from Middle Chinese 齒.

小臼歯 (Japanese): premolar

Definitions

  1. premolar

Ancestry of “小臼歯”, step by step

小臼歯 traces back through two separate lines of ancestry.

via Japanese 臼歯

StepLanguageWordMeaning
1Japanese臼歯molar
2Japanese歯tooth; age
3Middle Chinese齒—

via Japanese 小

StepLanguageWordMeaning
1Japanese小smallness; small size, small; Short for 小の月;...
2Old Japaneseささ—
Every word from Middle Chinese 齒 →Every word from Japanese 歯 →Every word from Japanese 臼歯 →