pharmacopeian.

pharmacopeia (n.)also pharmacopoeia, "official book listing drugs and containing directions for their preparation," 1620s, from medical Latin, from Greek pharmakopoiia "preparation of drugs," from pharmakon "drug" (see pharmacy) + poiein "to make" (see poet). First used as a book title by Anutius Foesius (1528-1595) of Basel. Related: Pharmacopeial.