Etymology of the English word synectics
the English word
synecticsusing the English prefix
syn-derived from the Greek word
sun, σύν (together; with or together ; by association, companionship, process, resemblance, possession, instrumentality, addition, etc.)
using the English prefix
ecto-derived from the Greek word
ektos, ἐκτός (outside; the exterior; figuratively (as a preposition) aside from, besides)
derived from the Greek word
ek, ἐκ
Date
The earliest known usage of synectics in English dates from the 20th century.