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demo Etymology Atlas
A practical display showing how something works or what it can do., A trial version of a product, especially a game or program, with limited features. Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
demo is a Level C1 word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.