Where does “peitenimi” come from?

peitenimi (Finnish) comes from Finnish peite, from Finnish peittää, from Proto-Finnic peittädäk, from Proto-Finnic pej-, from Proto-Uralic *pälkä — thumb.

peitenimi (Finnish): code name, assumed name

Definitions

code name, assumed name

Ancestry of “peitenimi”, step by step

peitenimi traces back through two separate lines of ancestry.

via Finnish peite

Step	Language	Word	Meaning
1	Finnish	peite	cover; spread, throw; overlay
2	Finnish	peittää	to cover
3	Proto-Finnic	peittädäk	to cover; to hide, to conceal
4	Proto-Finnic	pej-	—
5	Proto-Uralic	*pälkä	thumb

via Finnish nimi

Step	Language	Word	Meaning
1	Finnish	nimi	name
2	Finnish	-iäiset	—

Every word from Proto-Uralic *pälkä →Every word from Proto-Finnic pej- →Every word from Proto-Finnic peittädäk →