Knockout is an expression originating in English knockout, quite common in fighting sports like boxing and MMA. The athlete who causes the knockout removes his opponent from the fight, thus conquering the victory.
The word knockout was adapted from English knockout being also known by the acronym K.O., and began to be used in boxing. When a knockout happens, the knocked out element loses consciousness and remains on the ground for a period of time equal to or greater than 10 seconds.
There is also the T.K.O., known as the technical KO, which happens when the referee decides that it is not safe for one of the athletes to continue the fight. Thus, even if the athlete at a disadvantage claims that he can continue, the judge suspends the fight to protect the fighter's physical integrity. This can also be a decision made by the medical authority, the trainer or the fighter himself.
In fighting sports, most knockouts are caused by blows to the head. However, knockouts can also occur thanks to attacks on the abdomen.
In English, the word knockout it can also be used figuratively, serving to designate an extremely attractive or successful person. It's as if a person is so beautiful that it makes others lose their senses.
knockout and lockout
A lockout, a word formed in the same way as knockout, comes from the English term lockout, but it has a different meaning. The lockout is an attitude of the management of a factory or company, which closes the establishment as a of pressuring employees to accept some of their measures, such as reducing wages, by example.