From the second edition (1989):
†ˈthother
coalesced form of the other, frequent from 14th to 17th c.; in later time also written th' other: see th-1, th'.
Often used in contrast to thone = the one: see thone, one 18, 19, and tother.
Often used in contrast to thone = the one: see thone, one 18, 19, and tother.
c1300 Beket 466 Tho were thothere glad ynouȝ. c1400 Trevisa's Higden (Rolls) III. 65 (MS. γ) Þooþer wys men. 1534–5 MS. Rawl. D. 777 lf. 67b, One of them in [etc.] and thoder in the hawpace. 1556 Knaresborough Wills (Surtees) I. 73 To my children thother half. 1633 T. Stafford Pac. Hib. i. i. (1821) 11 On thother part.