drug-testing

The compound "drug-testing" is a modern formation built from two established English words. "Drug" entered English via medieval trade, its origins obscure but possibly relating to dry goods. "Test" has a more concrete history, evolving from the Latin word for an earthen pot used in metallurgical assays to a general term for any critical examination. The suffix "-ing" converts the action of testing into a gerund, naming the process itself. Thus, the literal morphemes combine to logically denote "the process of examining for substances," a meaning that directly reflects its contemporary use in workplace, athletic, and legal contexts.

Structure: drug (substance) + test (examine) + ing (noun suffix) - drug: From Middle English 'drogge', likely from Old French 'drogue', of uncertain origin, perhaps from Middle Dutch 'droge'. Functions as the primary noun, specifying the substance being tested for. - test: From Old French 'test', meaning 'pot, cupel' (used in assaying metals), from Latin 'testum', 'testa' (earthen pot, shell). Functions as the verbal root meaning to examine or try. - ing: From Old English '-ing', '-ung', a suffix forming verbal nouns. Functions as a nominalizing suffix, turning the action into the name of the process.