adverb Date: before 12th century for a while, Usage: Although considered a solecism by many commentators, ~, like several other adverbs of time and place, is often used as the object of a preposition .
AWHILE
Meaning of AWHILE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012