Where does “grava” come from?

grava (Medieval Latin) comes from Gaulish grawa, from Proto-Celtic grāwā, from Proto-Indo-European gʰroh₁weh₂, from Proto-Indo-European gʰreh₁w- — to grind.

Ancestry of “grava”, step by step

Step	Language	Word	Meaning
1	Gaulish	grawa	—
2	Proto-Celtic	grāwā	gravel, pebbles
3	Proto-Indo-European	gʰroh₁weh₂	—
4	Proto-Indo-European	gʰreh₁w-	to grind

Words derived from “grava”

gravel
gravelly
gravelling
graveling
gravellike
gravelometer
regravel
gravelliness
grava
гравий
gravier
grava
gravel
gravel
grauel
gravele
grave
grave

Every word from Proto-Indo-European gʰreh₁w- →

grava — Etymology, Origin & Word History | Etymology Explorer