the word 'synecdochic' is built upon the noun 'synecdoche', which entered english in the late 15th century from medieval latin, ultimately derived from the greek 'synekdoche'. this greek term is a compound of 'syn-' ("together") and 'ekdoche' ("a taking from, interpretation"), which itself comes from 'ekdekhesthai' ("to take up, understand"). the core logic of the original greek components—taking something together from a part—directly informs the modern rhetorical meaning. the adjective-forming suffix '-ic' was later appended in english to create a term describing something pertaining to this specific figurative device.

Structure: syn + ecdoch + ic syn- (greek origin, meaning "together, with"), -ecdoch- (from greek 'ekdoche', meaning "a taking from, interpretation"), -ic (english suffix from latin -icus, greek -ikos, forming adjectives meaning "of, pertaining to").