The story
- Proto-Indo-European*h₂eHs-
- Proto-Indo-European*h₂eHs-eh₁yeti
- Proto-Italic*āzēō
- Latināreō
- Proto-Indo-European*dʰeh₁-
- Latināridu
- Frencharide
- Latināridus
- English todayarid
From French aride or directly from Latin āridus (“dry, arid, parched”), compare its synonymous contracted form ardus. Originally from the verb āreo (“to be dry, to be parched”), akin to ārdeō (“to be on fire, to burn”).
Etymology from Wiktionary, CC BY-SA 4.0.