Acetous
/ˈæsɪtəs/noun
Having the nature of vinegar; sour or tart.
Did you know?Its root goes back to Latin *acetum* “vinegar,” from *acer* “sharp,” a family of words that originally pointed to biting, cutting sensations rather than chemistry.
Etymological Timeline
Proto-Indo-European
PIE
*ak-
“to be sharp, pointed, or piercing”
Latin
Latin
acer
“sharp, pungent, keen”
Latin
Latin
acetum
“vinegar”
Late Latin
Latin
acetosus
“sour, vinegary”
Middle English
English
acetous
“having the nature of vinegar; sour”