Where does “オニウム” come from?

オニウム (Japanese) comes from English onium, from English ammonium, from New Latin ammōnium.

オニウム (Japanese): onium

Definitions

  1. onium

Ancestry of “オニウム”, step by step

StepLanguageWordMeaning
1Englishoniumany cation derived by the addition of a proton to...
2EnglishammoniumThe univalent NH cation, derived by the...
3New Latinammōnium—
Every word from New Latin ammōnium →Every word from English ammonium →Every word from English onium →