proprietary drug

ریشه

The noun 'proprietary' comes from Latin 'proprietas', meaning 'ownership' or 'property'. 'Drug' comes from Middle English 'drogge', which is of unknown origin.

مثال

• The pharmaceutical company developed a proprietary drug for the treatment of cancer.
• The high cost of proprietary drugs can be a barrier to access for many patients.
• The company's profits rely heavily on the sales of their proprietary drugs.