Where does “水素イオン指数” come from?

水素イオン指数 (Japanese) comes from Japanese 水素, from Dutch waterstof, from Dutch stof, from Middle Dutch stof, from Middle Dutch stoffe, from Old French estophe, from Old French estoffer, from Old High German stoffōn — to push, to hit.

水素イオン指数 (Japanese): pH

Definitions

  1. pH

Ancestry of “水素イオン指数”, step by step

水素イオン指数 traces back through 3 separate lines of ancestry.

via Japanese 水素

StepLanguageWordMeaning
1Japanese水素hydrogen
2Dutchwaterstofhydrogen
3Dutchstofdust; matter, material; substance
4Middle Dutchstof
5Middle Dutchstoffe
6Old Frenchestophe
7Old Frenchestofferto decorate, garnish
8Old High Germanstoffōnto stop, halt
9Old Dutchstuppon
10Proto-Germanicstuppōnąto stop; to close
11Proto-Indo-European(s)tewb-to push, hit; to push; stick; to push, butt,...
12Proto-Indo-European(s)tew-to push, to hit

via Japanese イオン

StepLanguageWordMeaning
1Japaneseイオンan ion
2Germanionion (an atom or group of atoms bearing an electrical charge)
3EnglishIonSon of Creusa and Xuthus, and the ancestor of Ionian people
4RomanianIonJohn
5Frenchionion
6EnglishionAn atom or group of atoms bearing an electrical...
7EnglishanionA negatively charged ion
8Ancient Greekἀνιόνgoing up
9Ancient Greekἄνειμιgo up
10Ancient Greekἀνάon board; on, upon
11Proto-Hellenic*anáup, upon

via Japanese 指数

StepLanguageWordMeaning
1Japanese指数index - a single number calculated from an array of prices or of quantities
Every word from Proto-Indo-European (s)tew-Every word from Proto-Indo-European (s)tewb-Every word from Proto-Germanic stuppōną