Where does “someta” come from?

someta (Finnish) comes from Finnish soma, from Proto-Finnic soma, from Proto-Germanic sōmiz, from Proto-Germanic samaną, from Proto-Indo-European sem- — together, one.

Ancestry of “someta”, step by step

Step	Language	Word	Meaning
1	Finnish	soma	pretty; cute, sweet
2	Proto-Finnic	soma	—
3	Proto-Germanic	sōmiz	seemly, suitable, compatible
4	Proto-Germanic	samaną	at one; together
5	Proto-Indo-European	sem-	together, one

Every word from Proto-Indo-European sem- →Every word from Proto-Germanic samaną →Every word from Proto-Germanic sōmiz →