Inherited from Middle English synagoge, from Old French synagoge, from Latin synagōga, from Ancient Greek σῠνᾰγωγή (sŭnăgōgḗ, “assembly, gathering”), from συνάγω (sunágō, “I gather together”), from σῠ́ν (sŭ́n, “with, together”) & ᾰ̓́γω (ắgō, “I lead”). By surface analysis, syn- + -agogue.