per orum

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English

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Etymology

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From per, borrowing from classical Latin per (through), and orum as incorrectly formed accusative of ōs (mouth).

Adverb

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per orum

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

Usage notes

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  • 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

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  1. 1.0 1.1 Klonk M. "Per orem" out of place in medical literature. The Medical World. 1911;29(1):296.