Where does “praxie” come from?

praxie (French) comes from Ancient Greek πρᾶξις, from Ancient Greek πρᾱ́σσω, from Proto-Indo-European per(h₂)-.

praxie (French): praxis

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	πρᾶξις	deed, act, action, activity; business dealing;...
2	Ancient Greek	πρᾱ́σσω	I do, practice; to do
3	Proto-Indo-European	per(h₂)-	—

praxie — Etymology, Origin & Word History | Etymology Explorer