Etymology of the Latin word synodus
the Late Latin word synodus (fish of sea-bream family; synod, general council; book of synodal acts; synod, general council; college of priests)
derived from the Greek word sunodos, σύνοδος
derived from the Greek word hodos, ὁδός (a road; by implication, a progress (the route, act or distance); figuratively, a mode or means)
using the Greek prefix sun-, συν-
derived from the Greek word sun, σύν (together; with or together ; by association, companionship, process, resemblance, possession, instrumentality, addition, etc.)
using the Greek prefix syn-
using the Greek suffix -ode