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The abbreviation Oct is short for the month of October. October was named after the Roman emperor Octavus, and based on the Latin word for the number eight, as October was the eighth month in the Roman calendar.
I believe you mean qid, which is a Latin abbreviation meaning "four times a day".
Compare may be what the abbreviation 'cp' means before the word 'liber'. The word 'liber' is Latin for book. The Latin abbreviation for 'compare' is 'cf', which is an abbreviation for the verb 'confer' ['to compare'].
AC is the medical abbreviation for ante cibum, which is Latin for before food. In orthopedics, it may mean acromioclavicular.
PO means is a Latin abbreviation for "by mouth" and HS is a Latin abbreviation for "at night" so that the medication by mouth at night.
The abbreviation h.s. is from the Latin "hors somni" (at the hour of sleep) or bedtime.It can also be an abbreviation for half strength.
Ferrum, which is Latin for iron.Fe is IronIron
Month.
It is of Latin origin and means 'out of, not including or not having the right to have'
If it's a Latin word it means 'to'. If you mean the abbreviation, the full form is 'advertisment'.
PM is an abbreviation for Post meridiem; Latin for after noon. Incidentally, AM stands for Ante meridiem - before noon.
Irt is a Latin abbrevation: et cetera -meaning and so on.