Where does “kaipuu” come from?

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

kaipuu (Finnish): longing, yearning

Definitions

  1. longing, yearning

Ancestry of “kaipuu”, step by step

kaipuu traces back through two separate lines of ancestry.

via Finnish uu

StepLanguageWordMeaning
1FinnishuuThe name of the Latin-script letter U; hole, nest
2LatinU
3LatinVve
4Etruscan?u

via Finnish kaivata

StepLanguageWordMeaning
1Finnishkaivatato long for, yearn for, pine for, miss

Words derived from “kaipuu

Every word from Etruscan ?