Where does “pumice” come from?

Pumice comes from Old French pomis, from Latin pumex, ultimately derived from Proto-Indo-European speh₁-, a root relating to expansion or swelling.

pumice (English): A light, porous type of pyroclastic igneous rock,...

Definitions

  1. A light, porous type of pyroclastic igneous rock,...

Ancestry of “pumice”, step by step

StepLanguageWordMeaning
1Old Frenchpomispumice
2Latinpumexa pumice stone; pumice; any porous rock
3Proto-Indo-European(s)poH(y)-foam
4Proto-Indo-Europeanspeh₁-to succeed, to prosper

Words derived from “pumice”

Every word from Proto-Indo-European speh₁- →Every word from Proto-Indo-European (s)poH(y)- →Every word from Latin pumex →