IPA: /prɪˈskrɪpʃən/
KK: /prɪˈskrɪpʃən/
A written order from a doctor for a specific medicine or treatment that a patient should take.
I went to the pharmacy to pick up my prescription for the antibiotics.
Prescription → It is formed from "pre-" (meaning before) and "scriptio" (from "scribere", meaning to write). The word refers to something that is written beforehand, particularly in the context of a doctor's order for medication.
Think of something that is 'written before' ('pre-') as a doctor's order for medicine — that's what a prescription is.