English
acidulously
From acidulous + -ly.
A compound of acidulous + -ly
Proto-Indo-European *h₂eḱ- ‘sharp’
…
Proto-Italic *akēō
Latin aceō ‘to be sour’
Latin acidus ‘sour, acid’
Latin acidulus ‘sourish, acidulous’
English acidulous
Today it means
adv In an acidulous manner; in a mildly sour or acid way.
Language periods are conventional ranges, not dates for this word.
Etymograph / acidulously