Where does “Eriika” come from?

Eriika (Finnish) comes from Swedish Erika, from Swedish Erik, from Old Norse Eiríkr, from Proto-Norse *Aiwa-rikiaʀ.

Ancestry of “Eriika”, step by step

Step	Language	Word	Meaning
1	Swedish	Erika	—
2	Swedish	Erik	—
3	Old Norse	Eiríkr	—
4	Proto-Norse	*Aiwa-rikiaʀ	—

Eriika — Etymology, Origin & Word History | Etymology Explorer