Where does “socinolaisuus” come from?

socinolaisuus (Finnish) comes from Finnish socinolainen, from Latin Socinus, from Italian Sozzini.

socinolaisuus (Finnish): Socinianism

Definitions

Step	Language	Word	Meaning
1	Finnish	socinolainen	Socinian
2	Latin	Socinus	{{w\|Fausto Sozzini}}
3	Italian	Sozzini	—

socinolaisuus — Etymology, Origin & Word History | Etymology Explorer