← Back to mule
Full Level B1 →
mule Etymology Atlas
The generally sterile male or female hybrid offspring of a male donkey and a female horse., The generally sterile hybrid offspring of any two species of animals. Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
mule is a Level B1 word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.