- a combining form representing muscle in compound words: musculoskeletal.
Origin of musculo-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Word Origin and History for musculo-
word-forming element meaning "involving or pertaining to muscles," from comb. form of Latin musculus "muscle" (see muscle (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper