the.com/buttonhole
The tiny slit that performs its only job thousands of times, uncomplaining.
means A reinforced slit in fabric that a button passes through to fasten clothing, or the verb for cornering someone in conversation.
from Literally the hole for a button, from Old English. The verb sense once was buttonhold, meaning to grab someone by their coat to make them listen, later softened to buttonhole.
Lapel relicThe suit lapel hole once held a real flower.
Stitch namedButtonhole stitch reinforces edges against fraying.
Direction mattersHorizontal buttonholes resist popping open better than vertical.