Finnish word pelastaminen comes from Finnish -minen, Finnish pelastaa ((safety, transitive) to save, rescue.)

Detailed word origin of pelastaminen

Dictionary entry	Language	Definition
-minen	Finnish (fin)	Forms verbal nouns from verbs, mostly corresponds to the English gerund suffix -ing.. Suffix for the fourth infinitive.
pelastaa	Finnish (fin)	(safety, transitive) to save, rescue.
pelastaminen	Finnish (fin)	Rescue (act of rescuing).

Words with the same origin as pelastaminen