Where does “heterogeenisuus” come from?

heterogeenisuus (Finnish) comes from Finnish heterogeeninen, from Medieval Latin heterogeneus, from Ancient Greek ἑτερογενής, from Ancient Greek -γενής, from Ancient Greek -είᾱ, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess — Creates action nouns or result nouns from verbs;...

Ancestry of “heterogeenisuus”, step by step

StepLanguageWordMeaning
1Finnishheterogeeninenheterogeneous
2Medieval Latinheterogeneusheterogeneous
3Ancient Greekἑτερογενήςheterogenous; of different kinds
4Ancient Greek-γενήςborn in a certain place or condition; of a kind
5Ancient Greek-είᾱSuperficially appears in abstract nouns derived from σ-stem adjectives, with the true suffix being
6Ancient Greek-ήςadjective suffix
7Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
8Proto-Indo-European-ess
9Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ήςEvery word from Ancient Greek -είᾱ
heterogeenisuus — Etymology, Origin & Word History | Etymology Explorer