Foul smelling; noxious (especially of gas/vapours)
Early 17th century: from late Latin mephiticus, from mephitis ‘noxious exhalation’.
“We were left, choking in a fog of mephitic gas.”
The feeling of joy one has experiencing another’s joy, such as in witnessing a toddler’s joy and feeling joy in response.
From French compérage, derived from French compère, from Old French comper, from Latin compater, compatrem (“godfather”).