see a while back.
What’s The Difference Between “A While” And “Awhile”What are the difference between a while and awhile? Few word pairs capture the idiosyncrasies (“peculiar characteristics”) of the English language like a while and awhile do. Both of these terms are expressions of time, but one is written with a space while the other is one word. These two terms represent different parts of speech. The two-word expression a while is a noun phrase, consisting of the article a and …
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.