Word Origin & History
"pertaining to a tailor," 1823, from Mod.L. sartorius, from L.L. sartor "tailor," lit. "patcher, mender," from L. sart-, pp. stem of sarcire "to patch, mend." Sartorius as the name of the long leg muscle is because it is used in crossing the legs to bring them into the position needed to sit like a tailor.