Wpis użytkownika Deykun w Etymologia

Gypsy(n.) also gipsy, c. 1600, alteration of gypcian, a worn-down Middle English dialectal form of egypcien "Egyptian," from the supposed origin of the people. As an adjective, from 1620s. Compare British gippy (1889) a modern shortened colloquial form of Egyptian.

https://www.etymonline.com/word/Gypsy