Jujitsu \joo-JIT-soo\ , noun;
1. The ability to accomplish a task with no apparent effort or resistance
2. Method developed in Japan of defending oneself without the use of weapons by using the strength and weight of an adversary to disable him
This word dates to 1875 from Japanese jujutsu, which is a combination of ju + jutsu ("softness, gentleness" + "art, science"). Ju derives from Chinese jou ("soft, gentle") and jutsu comes from Chinese shu, shut.
Today's word and the first definition were both taken from Dictionary.com's 'Word of the Day' for Thursday, June 23
Etymologies come from the Oxford English Dictionary and/or Etymonline.com