coat
UK[kəʊt]US[koʊt]
n
An outer piece of clothing with sleeves that is worn over other clothes, usually for warmth or protection.
n
A layer of a substance such as paint that covers a surface.
v
To cover something with a layer of a substance.
Etymology
The word 'coat' entered English in the Middle English period, borrowed from the Old French 'cote', meaning a kind of tunic or outer garment. The Old French term likely derived from a Frankish or other Germanic source, such as the Old Saxon 'kot' or Old High German 'kozzo', both referring to a coarse woolen mantle. This Germanic root is thought to be related to the Latin 'cottus', a type of military tunic, suggesting a shared, possibly ancient, Indo-European concept for a basic outer garment. Over centuries, the meaning evolved from a general term for a tunic to its modern, more specific sense of an outer layer, whether of clothing or of a substance like paint.
Analysis
The word 'coat' is a simplex word of Old French origin. It cannot be meaningfully segmented into smaller morphemes within its modern English spelling.
Examples
She put on her warm winter coat before going outside.
The wall needs a second coat of paint to cover the old color completely.
The tablets are coated with sugar to make them easier to swallow.