The story
- Proto-Indo-European*h₂eḱ-
- Proto-Indo-European*h₂eḱrós
- Proto-Italic*akris
- Proto-Indo-European*dʰeh₁-
- Proto-Italic*akriðos
- Latinacerbus
- English todayacerbic
Attested since the 17th century, from Latin acerbus (“sour, bitter”).
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.