[ pas-ij-wurk ]
/ ˈpæs ɪdʒˌwɜrk /

noun Music.

writing that is often extraneous to the thematic material of a work and is typically of a virtuosic or decorative character: passagework consisting of scales, arpeggios, trills, and double octaves.
the performance of such writing: The pianist's passagework is brilliantly clear and smooth.

Origin of passagework

First recorded in 1860–65; passage1 + work Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019