Where does “kaksoisvee” come from?

kaksoisvee (Finnish) comes from Finnish vee, from Swedish ve, from Old Swedish ve, from Old Norse vei, from Proto-Germanic wai, from Proto-Indo-European wai — oh!; woe!.

kaksoisvee (Finnish): The name of the Latin-script letter W;...

Definitions

The name of the Latin-script letter W;...

Ancestry of “kaksoisvee”, step by step

Step	Language	Word	Meaning
1	Finnish	vee	The name of the Latin-script letter V
2	Swedish	ve	woe, pity you!; woe, misery
3	Old Swedish	ve	—
4	Old Norse	vei	woe
5	Proto-Germanic	wai	woe! alas!
6	Proto-Indo-European	wai	oh!; woe!

Every word from Proto-Indo-European wai →Every word from Proto-Germanic wai →Every word from Old Norse vei →