[per di.em] adv [ML] (1520): by the day: for each day
[2]per diem adj (1809) 1: based on use or service by the day: daily
2: paid by the day [3]per diem n, pl per diems (1812) 1: a daily allowance
2: a daily fee
[per di.em] adv [ML] (1520): by the day: for each day
[2]per diem adj (1809) 1: based on use or service by the day: daily
2: paid by the day [3]per diem n, pl per diems (1812) 1: a daily allowance
2: a daily fee
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012