Mutual remorse or shared feelings of regret between two or more people about something that happened.
From Latin com- (together) + morsus (bitten, from mordere to bite). The word evolved to describe a collective sense of being 'bitten' by guilt or regret, though it's now archaic.
This word captures a uniquely human moment—when two people who wronged each other both feel bad about it simultaneously. It's the emotional opposite of a grudge, and it's probably why so many conflicts get resolved with awkward apologies!
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