English
acerbly
From acerb + -ly.
Formed from acerb + -ly
Proto-Indo-European *h₂eḱ- ‘sharp’
Proto-Indo-European *h₂eḱrós ‘sharp’
Proto-Italic *akris ‘sharp’
Latin ācer ‘sharp’
Latin acerbus ‘sharp, severe, bitter’
English acerb
Today it means
adv In an acerb manner.
Language periods are conventional ranges, not dates for this word.
Etymograph / acerbly