tother

[tuhth -er] /ˈtʌð ər/
adjective, pronoun, Older Use.
1.
that other; the other.
Also, t'other.
Origin
1175-1225; Middle English the tother for thet other, variant of that other the other; see that, other
British Dictionary definitions for tother

tother

/ˈtʌðə/
adjective, noun
1.
(archaic or dialect) the other
Word Origin
C13 the tother, by mistaken division from thet other (thet, from Old English thæt, neuter of the1)
Word Origin and History for tother

"the other," early 13c., þe toþer, from faulty separation of þet oþer "that other;" simple use of tother in place of the other is attested by 1580s.