Detriment (Noun)- a cause of injury or damage

https://www.merriam-webster.com/dictionary/detriment

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I encountered the word while reading and I felt that the word had a negative connotation because of its beginning, detri- . The understanding I’ve now developed is that it is a cause of damage, based on the sentence it was used in.

Cigarettes are a detriment to the body.