7 letters · 13 points in Scrabble
adjective sour or bitter in taste
adjective harsh or corrosive in tone
originEtymology tree Proto-Indo-European *h₂eḱ- Proto-Indo-European *-rós Proto-Indo-European *h₂eḱrós Proto-Italic *akris Proto-Indo-European *dʰeh₁- Proto-Indo-European *-dʰh₁-os Proto-Italic *-iðos Proto-Italic *akriðos Latin acerbusder. English acerbic Attested since the 17th century, from Latin acerbus (“sour, bitter”).
Etymology from Wiktionary, CC BY-SA 3.0