Where does “patentoiminen” come from?

patentoiminen (Finnish) comes from Finnish patentoida, from Finnish patentti, from Swedish patent, from French patente, from Latin patēns, from Latin pateō, from Proto-Indo-European peth₂- — to spread out; to fly.

Ancestry of “patentoiminen”, step by step

Step	Language	Word	Meaning
1	Finnish	patentoida	to patent
2	Finnish	patentti	patent
3	Swedish	patent	patent
4	French	patente	patent
5	Latin	patēns	being opening; open
6	Latin	pateō	to be open, accessible, attainable
7	Proto-Indo-European	peth₂-	to spread out; to fly

Every word from Proto-Indo-European peth₂- →Every word from Latin pateō →Every word from Latin patēns →