Also 67 coze, couze, 68 cuz, 7 cooze, cuzze, cuze. An abbreviation of COUSIN (cozen), used in fond or familiar address, both to relatives and in the wider sense. So coz-german.
1559. Baldwin, in Mirr. Mag. (1563), M iij b. I drynk to you good Cuz ech traytor sayes.
1592. Shaks., Rom. & Jul., I. v. 67. Content thee gentle Coz. Ibid. (1596), 1 Hen. IV., III. i. 78. And deare Couze, to you The remnant Northward, lying off from Trent.
1600. Dekker, Gentle Craft, 12. Coze, for those words heres thirtie Portugues.
1609. Heywood, Brit. Troy, XII. xcviii. Then guard thee Cooze my Javelin now must fly.
1672. Villiers (Dk. Buckhm.), Rehearsal, IV. i. Ill follow you, dear Couz.
1708. Brit. Apollo, No. 4, 3/1. Search not the Cause in Wings or Head, dear Cuz.
1712. Steele, Spect., No. 533, ¶ 1. Your very humble servant, dear coz.
1794. J. Williams (A. Pasquin), Crying Epist., 16. Coz-german to the best of Kings.
1849. Miss Mulock, Ogilvies, xliii. Good-bye, fair coz.