Etymology

From Medieval Latin practizo, from Late Latin practico ‎(“to do, perform, execute, propose, practise, exercise, be conversant with, contrive, conspire, etc.”), from prāctica ‎(“practical affairs, business”), from Ancient Greek πρακτική ‎(praktikḗ), from πρακτικός ‎(praktikós, “practical”), from πράσσειν ‎(prássein, “to do”).