Where does “Aristotelianism” come from?

Aristotelianism derives from English Aristotelian, from Ancient Greek -ισμός, from Latin -um, from Ancient Greek ἄριστος meaning "best," from Proto-Indo-European kʷel- and h₂er-.

Aristotelianism (English): The philosophical system of Aristotle (384 – 322) and his followers

Definitions

The philosophical system of Aristotle (384 – 322) and his followers

Ancestry of “Aristotelianism”, step by step

Step	Language	Word	Meaning
1	English	-ism	Used to form nouns of action or process or result...
2	Latin	-ismus	-ism
3	Ancient Greek	-ισμός	Forms abstract nouns
4	Ancient Greek	-μός	Forms abstract nouns
5	Proto-Indo-European	-mós	Creates action/result nouns from verb stems

Every word from Proto-Indo-European -mós →Every word from English -ism →Every word from Ancient Greek -μός →