Where does “kustantaminen” come from?

kustantaminen (Finnish) comes from Finnish kustantaa, from Swedish kosta, from Old Norse kosta, from Old Norse naðr, from Proto-Germanic nadrǭ, from Proto-Indo-European néh₁treh₂.

Ancestry of “kustantaminen”, step by step

Step	Language	Word	Meaning
1	Finnish	kustantaa	to publish; to sponsor, finance; to cover the...
2	Swedish	kosta	to cost
3	Old Norse	kosta	to try; to exert oneself, strive; to injure, hurt
4	Old Norse	naðr	snake
5	Proto-Germanic	nadrǭ	adder; snake in general
6	Proto-Indo-European	néh₁treh₂	—

Every word from Proto-Indo-European néh₁treh₂ →Every word from Proto-Germanic nadrǭ →Every word from Old Norse naðr →