Where does “helpottuminen” come from?

helpottuminen (Finnish) comes from Finnish helpottua, from Finnish helpottaa, from Finnish helppo, from Proto-Finno-Ugric *hëlppo, from Proto-Germanic helpō, from Proto-Indo-European ḱelb- — help.

Ancestry of “helpottuminen”, step by step

Step	Language	Word	Meaning
1	Finnish	helpottua	to ease, become easier
2	Finnish	helpottaa	to ease; to relieve, alleviate, mitigate,...
3	Finnish	helppo	easy; cheap
4	Proto-Finno-Ugric	*hëlppo	—
5	Proto-Germanic	helpō	help, aid, assistance
6	Proto-Indo-European	ḱelb-	help

Every word from Proto-Indo-European ḱelb- →Every word from Proto-Germanic helpō →Every word from Proto-Finno-Ugric *hëlppo →