custom

 
Pronunciation: /ˈkʌstəm/

noun

  • 1a traditional and widely accepted way of behaving or doing something that is specific to a particular society, place, or time: the old English custom of dancing round the maypole [mass noun]: custom demanded that a person should have gifts for the child
  • [in singular] a thing that one does habitually: it is our custom to visit the Lake District in October
  • Law established usage having the force of law or right.
  • 2 [mass noun] British regular dealings with a shop or business by customers: if you keep me waiting, I will take my custom elsewhere

adjective

[attributive] North American
  • made or done to order; custom-made: a custom guitar

Origin:

Middle English: from Old French coustume, based on Latin consuetudo, from consuetus, past participle of consuescere 'accustom', from con- (expressing intensive force) + suescere 'become accustomed'