Where does “Arvo” come from?

Arvo (Estonian) comes from Finnish Arvo, from Finnish Arvi, from Old Norse Arnviðr, from Proto-Germanic Arôwiduz.

Ancestry of “Arvo”, step by step

Step	Language	Word	Meaning
1	Finnish	Arvo	—
2	Finnish	Arvi	—
3	Old Norse	Arnviðr	—
4	Proto-Germanic	Arôwiduz	—