Meaning

noun a practical method or art applied to some particular task

noun skillfulness in the command of fundamentals deriving from practice and familiarity

originBorrowed from French technique (“technicality; branch of knowledge”), noun use of technique (“technical”), from Ancient Greek τεχνικός (tekhnikós, “of or pertaining to art, artistic, skilful”), from τέχνη (tékhnē, “art, handicraft”). Doublet of technic.

Etymology from Wiktionary, CC BY-SA 3.0