Etymograph

English

pseudomorphine

From pseudo- + morphine.

Formed from pseudo- + morphine

Ancient Greek ψεύδω ‘to lie’

Ancient Greek ψευδής ‘false, lying’

English pseudo-

French morphine

English morphine

Today it means

noun An inactive natural dimerization product of the morphine molecule in tandem, and thus a common impurity in morphine concentrations.

Sources

Sources: Wiktionary, “pseudomorphine”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / pseudomorphine