These things are absolutely deplorable, but they were par for the course for some of the more dedicated “Gamers” in the community.
For many married Italians, playing around has simply been par for the course.
Whether Girl with a Pearl Earring is on a par with this dress (or any other) isn't relevant there.
1620s, "equality," also "value of one currency in terms of another," from Latin par "equal, equal-sized, well-matched," also as a noun, "that which is equal, equality," of unknown origin. Watkins suggests perhaps from PIE root *pere- "to grant, allot," with suggestion of reciprocality (see part (n.)).
Another guess connects it with PIE root *per- "to traffic in, sell" (on notion of "give equal value for"); see pornography. Meaning "average or usual amount" is first attested 1767. Golf usage is first attested 1898. Figurative use of par for the course is from 1928.
"by, for," mid-13c., from Old French par, per, from Latin per (see per).
n. pl. pa·ri·a (pä'rē-ə)
A pair; specifically, a pair of cranial nerves.