Where does “argant” come from?

argant (Old Welsh) comes from Proto-Brythonic arɣant, from Proto-Celtic argantom, from Proto-Indo-European h₂r̥ǵn̥tóm, from Proto-Indo-European h₂erǵ- — white, argent; glittering.

Ancestry of “argant”, step by step

StepLanguageWordMeaning
1Proto-Brythonicarɣantsilver, money
2Proto-Celticargantomsilver
3Proto-Indo-Europeanh₂r̥ǵn̥tómsilver
4Proto-Indo-Europeanh₂erǵ-white, argent; glittering
Every word from Proto-Indo-European h₂erǵ-Every word from Proto-Indo-European h₂r̥ǵn̥tómEvery word from Proto-Celtic argantom