Where does “предостаточно” come from?

предостаточно (Russian) comes from Russian предоста́точный, from Russian предо-.

предостаточно (Russian): plenty , more than enough

Definitions

plenty , more than enough

Ancestry of “предостаточно”, step by step

Step	Language	Word	Meaning
1	Russian	предоста́точный	—
2	Russian	предо-	—

Every word from Russian предо- →

предостаточно — Etymology, Origin & Word History | Etymology Explorer