Where does “SI単位系” come from?

SI単位系 (Japanese) comes from Japanese SI, from English SI, from Middle English si, from Italian sì, from Italian bene, from Latin bene, from Latin bonus, from Old Latin duenos — to show favour, revere; to fail, to lag, to be...

SI単位系 (Japanese): The International System of Units, SI

Definitions

  1. The International System of Units, SI

Ancestry of “SI単位系”, step by step

SI単位系 traces back through two separate lines of ancestry.

via Japanese SI

StepLanguageWordMeaning
1JapaneseSIthe SI
2EnglishSIInitialism of signal integrity; Initialism of...
3Middle Englishsi
4Italianyes; so
5Italianbeneupper-class, posh, high; well, nicely, OK, right;...
6Latinbenewell; properly, exactly; agreeably, favorably
7Latinbonusgood, honest, brave, noble, kind, pleasant;...
8Old LatinduenosAlternative form of duonus
9Proto-Italicdwenosgood
10Proto-Indo-Europeandew-to show favour, revere; to fail, to lag, to be...

via Japanese 単位系

StepLanguageWordMeaning
1Japanese単位系a system of measurement
2Japanese単位unit of measure; unit; academic credit
3Middle Chinese單位
Every word from Proto-Indo-European dew-