Where does “trilla” come from?

trilla (Spanish) comes from Spanish trillar, from Old Spanish osp, from Vulgar Latin triblare, from Latin tribulāre, from Latin trībulum, from Latin -bulum, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

trilla (Spanish): gurnard; threshing

Definitions

gurnard; threshing

Ancestry of “trilla”, step by step

trilla traces back through two separate lines of ancestry.

via Spanish trillar

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

via Galician trilla

Step	Language	Word	Meaning
1	Galician	trilla	clothes moth
2	Latin	trigla	—

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