Latin word tribulum comes from Latin -bulum, Latin tero (I rub or triturate. I tread. I wear away or wear out.)

Detailed word origin of tribulum

Dictionary entry	Language	Definition
-bulum	Latin (lat)	Noun suffix denoting instrument.. Noun suffix denoting person. (rare). Noun suffix denoting vessel or place.
tero	Latin (lat)	I rub or triturate. I tread. I wear away or wear out.
tribulum	Latin (lat)	A threshing board.

Words with the same origin as tribulum