Where does “Pilvi” come from?

Pilvi (Estonian) comes from Estonian pilv, from Proto-Finnic pilvi, from Proto-Uralic pilwe — cloud.

Ancestry of “Pilvi”, step by step

StepLanguageWordMeaning
1Estonianpilvcloud
2Proto-Finnicpilvicloud
3Proto-Uralicpilwecloud
Every word from Proto-Uralic pilwe →Every word from Proto-Finnic pilvi →Every word from Estonian pilv →