"Wig" is the abbreviation of "periwig" form, 17 century into the English vocabulary.
Interestingly, the phrase "big wig" used to explains refers to the "big men". The reason for this is that the 17th century is very popular people with a wig and those big shot in order to distinguish and common people, the wigs than the average person's was bigger, so their "wig" are called "big wigs". With the passage of time, bigwig/big wig had "a person of importance" mean.
In addition, if the foreign periodicals see the "toupee", it refers to the also is "wig", but are commonly used to refer to "male wig".full lace wigs