chichevache
/ʃiʃəvɑːʃ/ or /ʃiʃɛˈvɑːʃ/Definitions
1. noun
A mythical creature in medieval French folklore, said to be a cow that devours the reputations of unfaithful husbands.
“The local legend spoke of the chichevache, a creature that punished those who broke their vows.”