The term 'wait awhile' can be summarized by two crossword solutions: 'BIDE' and 'cool one's heels'. 'BIDE' is a verb meaning to remain in a place or situation, often for a long period of time. It is derived from the Old English word 'bidan', which means to stay or wait. 'Cool one's heels' is an idiom meaning to wait patiently, usually for someone else. This phrase originated in the early 19th century and is still used today.