Where does “uupuminen” come from?

uupuminen (Finnish) comes from Finnish uupua, from Finnish uu, from Latin U, from Latin V, from Etruscan ? — u.

Ancestry of “uupuminen”, step by step

StepLanguageWordMeaning
1Finnishuupuato get tired, get exhausted, get fatigued; to be...
2FinnishuuThe name of the Latin-script letter U; hole, nest
3LatinU—
4LatinVve
5Etruscan?u
Every word from Etruscan ? →Every word from Latin V →Every word from Latin U →