Where does “trebbiatore” come from?

trebbiatore (Italian) comes from Italian trebbiare, from Vulgar Latin triblare, from Latin tribulāre, from Latin trībulum, from Latin -bulum, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

trebbiatore (Italian): thresher (person)

Definitions

thresher (person)

Ancestry of “trebbiatore”, step by step

Step	Language	Word	Meaning
1	Italian	trebbiare	to thresh
2	Vulgar Latin	triblare	—
3	Latin	tribulāre	—
4	Latin	trībulum	threshing board, threshing sledge
5	Latin	-bulum
6	Proto-Indo-European	-dʰlom	Alternative form of *-trom; instrumental suffix;...

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