These two general classes of adjectives may also be divided into several others, of which the following are the most important: — 1. A proper adjective is one that is derived from a proper name; as, American . . .
an adjective derived from a proper noun, such as british derived from britain
Heceleme
an ad·jec·tive de·rived from a prop·er noun, such as Bri·tish de·rived from Brit·ain