- synthesis
- 1611, from L. synthesis "collection, set, composition (of a medication)," from Gk. synthesis "composition," from syntithenai "put together, combine," from syn- "together" + tithenai "put, place," from PIE base *dhe- "to put, to do" (see factitious). Synthetic in the sense of "made artificially by chemical synthesis" is first recorded 1874. Synthesizer "electronic musical instrument" is attested from 1909.