English
exhilarator
From exhilarate + -or.
Formed from exhilarate + -or
Proto-Indo-European *h₁eǵʰs ‘out’
Latin exhilarō ‘to delight, to gladden, to make merry’
English exhilarate
Today it means
noun One who, or that which, causes exhilaration.
Language periods are conventional ranges, not dates for this word.
Etymograph / exhilarator