Meaning

noun the process of producing a chemical compound (usually by the union of simpler chemical compounds)

noun the combination of ideas into a complex whole

noun reasoning from the general to the particular (or from cause to effect)

originFrom Latin synthesis, from Ancient Greek σύνθεσις (súnthesis, “a putting together; composition”), from συντίθημι (suntíthēmi, “put together, combine”), from συν- (sun-, “together”) + τίθημι (títhēmi, “set, place”). Doublet of sandhi.

Etymology from Wiktionary, CC BY-SA 3.0