The story
From trihexoside + -ase.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any enzyme that catalyzes the breakdown of a trihexoside, and often, more specifically, alpha-galactosidase (ceramide trihexosidase), a deficiency of which allows globotriaosylceramide (ceramide trihexoside) to accumulate in the tissues of people with Fabry disease. Full definition →
From trihexoside + -ase.
Etymology from Wiktionary, CC BY-SA 4.0.