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.
variant of suffix -an (q.v.), with connective -i-. From Latin -ianus, in which the -i- originally was from the stem of the word being attached but later came to be felt as connective. In Middle English frequently it was -ien, via French.