Where does “hyperreaktiivisuus” come from?

hyperreaktiivisuus (Finnish) comes from Finnish hyperreaktiivinen, from Finnish hyper-, from Ancient Greek ὑπέρ, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

hyperreaktiivisuus (Finnish): hyperreactivity

Definitions

hyperreactivity

Ancestry of “hyperreaktiivisuus”, step by step

Step	Language	Word	Meaning
1	Finnish	hyperreaktiivinen	hyperreactive
2	Finnish	hyper-	hyper
3	Ancient Greek	ὑπέρ	for; over-much, above measure
4	Proto-Indo-European	upér	above; over
5	Proto-Indo-European	upó	under, below
6	Proto-Indo-European	h₃ewp-	—

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Indo-European upér →