exfoliate
verb
[ ɪksˈfəʊlɪeɪt ]
• (of a material) be shed from a surface in scales or layers.
• "the bark exfoliates in papery flakes"
Origin:
mid 17th century: from late Latin exfoliat- ‘stripped of leaves’, from the verb exfoliare, from ex- ‘out, from’ + folium ‘leaf’.
