Often, what we take for granted, stuns us. You would be stumped to know, for instance, that the ubiquitous term 'rickshaw' is a merger of three Japanese words: jin (human) + riki (power) + sha (vehicle). And so it is with 'jazz'. Seems the term was first used in 1912 in a baseball context, to refer to a ball that wobbled.
--- The Times of India(full article)