The Hermes (i.e., “the speaker”) of the Greeks (Acts 14:12), a heathen God represented as the constant attendant of Jupiter, and the god of eloquence. The inhabitants of Lystra took Paul for this god because he was the “chief speaker.”
Easton’s Bible Dictionary
Mercurius
Name meaningan orator; an interpreter
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.