Other forms: stopgaps
A stopgap is a temporary solution to a problem, like a piece of cardboard taped over the broken window in your car. Until you can get it fixed, you need a stopgap.
This sturdy English native dates to the early 16th century, and like its semantic cousin makeshift, it seems to have been cobbled together by the two closest words at hand. Both words actually originated from phrasal use of their components: stop a gap for the first, and make shift for the second. Not that they're jury-rigged in any way!