What is the word origin of fancy?

Fancy (adj.)

mid-15c., contraction of fantasy, it took the older and longer Word's sense of "inclination, whim, desire." Meaning "fans of an amusement or sport, collectively" is attested by 1735, especially (though not originally) of the prize ring. The modern verb meaning "take a liking to" (1540s) is a contraction of fantasien "to fantasize (about)." Meaning "to imagine" is from 1550s. Related: Fancied; fancies; fancying. Colloquial use in fancy that, etc. is recorded by 1813. The adjective is recorded from mid-18c