Where does “irascible” come from?
irascible (French) comes from Latin īrāscibilis, from Latin īrāscor, from Latin īrātus, from Latin īra, from Latin eira, from Proto-Italic eisā, from Proto-Indo-European h₁eys- — to propel; to move quickly.
irascible (French): irascible
Ancestry of “irascible”, step by step
Words derived from “irascible”