English
exacerbator
From exacerbate + -or.
Formed from exacerbate + -or
Proto-Indo-European *h₂eḱ- ‘sharp’
…
Latin acerbus ‘harsh, bitter, unripe, sour, premature, not…’
Latin acerbō ‘to make harsh or bitter, embitter’
Latin exacerbō ‘to provoke’
Latin exacerbātus ‘exasperated’
English exacerbate
Today it means
noun One who, or that which, exacerbates or makes worse.
Language periods are conventional ranges, not dates for this word.
Etymograph / exacerbator