Learn how to say Stropping correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word strop:
a device, typically a strip of leather, for sharpening razors.
verb (strops, stropping, stropped)
sharpen on or with a strop:
he stropped a knife razor-sharp on his belt
late Middle English (in the sense ‘thong’, also as a nautical term): probably a West Germanic adoption of Latin stroppus ‘thong’