Borrowed from Latin Gangēs, from Ancient Greek Γάγγης (Gángēs), from Sanskrit गङ्गा (gáṅgā, literally “swift-goer”), from the verbal root गम् (gam, “to go”), from Proto-Indo-European *gʷem- (“to come”) (whence Latin veniō, Ancient Greek βαίνω (baínō), and English come). Doublet of Ganga.