Final answer:
The most comforting euphemism for the word 'died' to a relative would be 'passed away'.
Step-by-step explanation:
The most comforting euphemism for the word 'died' to a relative would be 'passed away'. This phrase is commonly used to soften the impact of death and is often seen as more respectful and gentle compared to other euphemisms.
For example, if someone says 'passed away', it conveys the idea that the person has peacefully moved on, whereas phrases like 'kicked the bucket' or 'bought the farm' may sound more abrupt or harsh.
In this context, 'passed away' is the most sensitive euphemism that provides comfort to relatives when discussing the loss of a loved one.
Learn more about Euphemisms for death