technique (n.)

word-forming element meaning "art, craft, skill," later "technical, technology," from Latinized form of Greek tekhno-, combining form of tekhnē "art, skill, craft in work; method, system, an art, a system or method of making or doing," from PIE *teks-na- "craft" (of weaving or fabricating), from suffixed form of root *teks- "to weave," also "to fabricate."

1610s, "technical," from Latin technicus, from Greek tekhnikos "of or pertaining to art, made by art," from tekhnē "art, skill, craft" (see techno-). As a noun, "performance method of an art," 1855, a nativization of technique.