English
exasperater
From exasperate + -er.
Formed from exasperate + -er
Latin asper ‘rough, uneven, coarse’
Latin asperō ‘to make rough or uneven, roughen’
Latin exasperō ‘to roughen’
Latin exasperātus ‘roughened’
English exasperate
Today it means
noun One who exasperates.
Language periods are conventional ranges, not dates for this word.
Etymograph / exasperater