English

Adverb

per orum

1. (US, medicine) Alternative form of per orem per os; via the mouth; orally

Usage notes

• The declined form is erroneous.^[1] Proper Latin would be per os. This (per orum) is an alternative form of per orem, itself an ungrammatical form of per os.^[1]

References

1. 1 2 Klonk M. "Per orem" out of place in medical literature. The Medical World. 1911;29(1):296.