Where does “tribulus” come from?

tribulus (Latin) comes from Ancient Greek τρίβολος, from Latin trībulum, from Latin -bulum, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

tribulus (Latin): caltrop

Definitions

caltrop

Ancestry of “tribulus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	τρίβολος	name of various prickly plants; caltrop, a...
2	Latin	trībulum	threshing board, threshing sledge
3	Latin	-bulum
4	Proto-Indo-European	-dʰlom	Alternative form of *-trom; instrumental suffix;...

Words derived from “tribulus”

Tribulus
triblus
tríbol
Tribuloideae

Every word from Proto-Indo-European -dʰlom →Every word from Latin -bulum →Every word from Latin trībulum →