Where does “hopiainen” come from?

hopiainen (Finnish) comes from Finnish hopia, from Finnish hopea, from Proto-Finnic hopeda, from Proto-Germanic samftijaz.

Ancestry of “hopiainen”, step by step

hopiainen traces back through two separate lines of ancestry.

via Finnish hopia

StepLanguageWordMeaning
1Finnishhopia
2Finnishhopeasilver
3Proto-Finnichopedasilver; soft
4Proto-Germanicsamftijaz

via Finnish inen

StepLanguageWordMeaning
1Finnishinen
Every word from Proto-Germanic samftijazEvery word from Proto-Finnic hopedaEvery word from Finnish hopea