English
acidic
From acid + -ic.
Formed from acid + -ic
Proto-Indo-European *h₂eḱ- ‘sharp’
…
Proto-Italic *akēō
Latin aceō ‘to be sour’
Latin acidus ‘sour’
French acide ‘acid’
English acid
Today it means
adj Of or relating to acid; having the character of an acid.
Language periods are conventional ranges, not dates for this word.
Etymograph / acidic