He advised the per-diem scheme, and with characteristic good nature we acceded to it.
This looked reasonable enough, but the result was wholly in favor of the per-diem fellows.
Latin, literally "by the day," from per (see per) + diem, accusative singular of dies "day" (see diurnal). As a noun from 1809.
A Latin phrase meaning “by the day.” Traveling sales reps or government workers often are paid a per diem, meaning an allowance out of which to cover daily expenses while traveling.