prescribe
v.
"to write down as a direction," mid-15c., from Latin praescribere "write beforehand" (see prescription). Related: Prescribed; prescribing. Medical sense is from 1580s, probably a back formation from prescription.
〔李〕[pre- = beforehand 事先；scrib = to write 写；-e→“to write beforehand 事先写好”→] v. ① set down a rule to be followed规定