tother

pronoun or adjective

toth·​er ˈtə-t͟hər 

variants or t'other

chiefly dialectal

: the other

Word History

Etymology

Middle English tother, alteration (resulting from misdivision of thet other the other, from thet the— from Old English thæt — + other) of other — more at that

First Known Use

13th century, in the meaning defined above