after a while
see in a while.
What’s 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.
Is Friday Named After A Goddess With A Chariot Pulled By Cats?In a world that knows too many details about unimportant matters, one would think that our collective expertise could be certain about something as essential as the days of the week. There is, however, a scholarly (and let's face it, Marvel fan) debate regarding which goddess of love in Norse mythology is the namesake of “Friday.”
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.