Akademik

exfoliate

v.intr.
1 (of bone, the skin, a mineral, etc.) come off in scales or layers.
2 (of a tree) throw off layers of bark.
Derivatives:
exfoliation n. exfoliative adj.
Etymology: LL exfoliare exfoliat- (as EX-(1), folium leaf)

Useful english dictionary. 2012.