exfoliate
UK[ɛksˈfəʊlɪeɪt]US[ɛksˈfoʊlɪeɪt]
v
to remove dead skin cells from the surface of the skin, often by rubbing with a special brush or cream.
v
to come off in scales or layers; to shed.
Morpheme Breakdown
ex
foli
ate
ex
out
foli
leaf
ate
verb suffix
Etymology
the word exfoliate is a modern borrowing from late latin "exfoliatus", the past participle of "exfoliare", meaning "to strip of leaves". this latin verb is a compound of the prefix "ex-" (out) and "folium" (leaf). the core semantic logic is the visual and functional analogy between a plant shedding its leaves and the skin shedding its outer layer of dead cells. this metaphorical extension from the botanical to the dermatological realm occurred in english by the early 17th century, transforming the literal act of defoliation into the modern cosmetic and biological process of removing a thin, flaky surface layer.
Analysis
Structure: ex (out) + foli (leaf) + ate (verb suffix)
ex: latin origin, a prefix meaning "out of, from, thoroughly".
foli: latin origin, from "folium" meaning "leaf".
ate: latin origin, a verb-forming suffix meaning "to make, to act, to cause".
Examples
it is recommended to exfoliate your face once or twice a week to unclog pores.
the paint on the old barn began to exfoliate in the harsh sunlight.
many chemical peels are designed to gently exfoliate the skin and promote cell renewal.