Where does “zmegma” come from?

zmegma (Latin) comes from Ancient Greek σμῆγμα, from Ancient Greek σμάω, from Proto-Indo-European smeh₂-.

Ancestry of “zmegma”, step by step

StepLanguageWordMeaning
1Ancient Greekσμῆγμαsoap
2Ancient Greekσμάωto wipe
3Proto-Indo-Europeansmeh₂-—
Every word from Proto-Indo-European smeh₂- →Every word from Ancient Greek σμάω →Every word from Ancient Greek σμῆγμα →