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authentic Etymology Atlas
not counterfeit or copied, conforming to fact and therefore worthy of belief Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
authentic 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.