The present participle of furbish; the act of polishing or shining something to make it bright.
From furbish + -ing suffix; shows the continuous action of polishing or brightening.
Furbishing takes time and effort—it's not just a quick wipe but actual hard work to get something to shine properly, which is why the -ing form captures the process!
Complete word intelligence in one call. Free tier — 50 lookups/day.