Where does “ague” come from?

Ague derives from Middle English agu, from Middle French aguë, from Latin acuta (feminine of acutus, meaning sharp), ultimately from Proto-Indo-European h₂eḱ- meaning to be sharp or pointed.

ague (English): An acute fever; An intermittent fever, attended...

Definitions

  1. An acute fever; An intermittent fever, attended...

Ancestry of “ague”, step by step

StepLanguageWordMeaning
1Middle Englishagu—
2Middle Frenchaguëacute
3Latinacūta—
4Latinacūtussharpened, made sharp, sharp, having been sharpened
5Latinacuōto make pointed, sharpen, whet
6Latinacusa needle, a pin; bodkin; bran, awn, chaff
7Proto-Italicakus—
8Proto-Indo-Europeanh₂eḱus—
9Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “ague”

Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂eḱus →Every word from Proto-Italic akus →