ETYMOLOGY
adj. 1.: from chit (a freckle or wart, obsolete) + -y
adj. 2. & 3..: apparently deduced from chitty-face, (thin face), but afterwards associated with chit (the young of a beast)
n. 1.: from Hindi chiṭṭhi, Marathi chitthi, chithi and its cognate
Hindi ciṭṭhi (document, letter, note, promissory note, pass), of uncertain origin
EXAMPLE (for adj. 1.)
“… How shall I stifle now my rising Phlegm,
Are all, are all his Thoughts employ’d on them
Shall they such Chitty Jades so happy be,
And can he not bestow one word on me;
Hence from my Sight, avoid this wicked Room,
Go you ungracious Minxes, get you home. …”
From: The Rival Milliners: or, the Humours of Covent Garden
A Tragi-Comi-Operatic-Pastoral Farce
By Robert Drury, 1737
Lexicophilia 