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Plaster

/ˈplæstər/noun

A paste of lime or gypsum spread on walls to dry hard, and a dressing spread on cloth for a wound.

The Greek roots

ἐν
en
in, on
+
πλάσσω
plássō
to mould, daub

Literally: daubed on

The story of the word

The medical sense came first. Old English had plaster for a poultice smeared on cloth, straight from Latin emplastrum, itself the Greek ἔμπλαστρον, while the building sense arrived separately through Old French plastre. Πλάσσω, to mould soft material by hand, also gives plastic, plasma and protoplasm, which is why plastic surgery is about moulding and has nothing to do with petrochemicals.

How it travelled
Ancient Greek → Latin → Old English and Old French → English
First recorded
Old English

Same family

plasticplasmaprotoplasm

In a sentence

The plaster came off the ceiling in sheets.

She put a plaster on the cut and carried on cooking.

Built on the same root

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