English
hemisynthesis
From hemi- + synthesis.
Proto-Indo-European *dʰeh₁- ‘to put, place’
…
Ancient Greek τίθημι ‘set, place’
Ancient Greek συντίθημι ‘put together, combine’
Ancient Greek σύνθεσις ‘a putting together’
Latin synthesis ‘a collection or reunion of many objects of…’
English synthesis
Today it means
noun The synthesis of a new compound derived from an existing natural product
Language periods are conventional ranges, not dates for this word.
Etymograph / hemisynthesis