What's the difference between i.e. and e.g.?
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.