counterpoint (n.)youdaoicibaDictYouDict[counterpoint 词源字典]
early 15c., of stitching, from Old French cuilte contrepointe "quilt stitched through and through," altered from coute pointe, from Medieval Latin culcita puncta "quilted mattress," from Latin culcita "cushion" + puncta, fem. past participle of pungere "to prick, stab" (see pungent).

Of music, mid-15c., from Old French contrepoint, from Medieval Latin cantus contrapunctus, from contrapunctum, from Latin contra + puncta, with reference to the indication of musical notes by "pricking" with a pointed pen over or under the original melody on a manuscript.[counterpoint etymology, counterpoint origin, 英语词源]