noun

bruise

bruise, contusion

He had a big bruise on his arm.

He had a big bruise on his arm.

The apple had a bruise on it.

The apple had a bruise on it.

a bruise ((on sth.)) an injury appearing as an area of discoloured skin. He had a large bruise on his leg.

Synonyms: contusion, discoloration, black-and-blue mark

From Old English 'brysan' (to crush), related to the idea of breaking or crushing tissue under the skin.

Imagine getting a 'blue' mark after you bump into something. 'Blue' and 'bruise' sound similar.

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