Where does “Briarean” come from?

Briarean (English) comes from Latin Briareius, from Latin Briareus, from Ancient Greek Βριαρεύς.

Briarean (English): Relating to, or resembling, Briareus, a giant...

Definitions

Step	Language	Word	Meaning
1	Latin	Briareius	—
2	Latin	Briareus	a mythological hundred-handed giant
3	Ancient Greek	Βριαρεύς	—

Briarean — Etymology, Origin & Word History | Etymology Explorer