Where does “exclamer” come from?
exclamer (Middle French) comes from Latin exclāmō, from Latin clāmō, from Proto-Italic klāmāō, from Proto-Indo-European kl̥h₁m-, from Proto-Indo-European kelh₁- — to call, cry, summon.
Ancestry of “exclamer”, step by step
Words derived from “exclamer”