1615, "discourse or treatise on an art or the arts," from Gk. tekhnologia
"systematic treatment of an art, craft, or technique," originally referring to grammar, from tekhno-
) + -logia.
The meaning "science of the mechanical and industrial arts" is first recorded 1859. High technology
attested from 1964; short form high-tech
is from 1972. Tech
as a short form of Technical College (Institute, etc.)
is Amer.Eng., attested from 1906.