Where does “fluvioglaciale” come from?

fluvioglaciale (Italian) comes from Italian glaciale, from Latin glaciālis, from Latin -ālis, from Proto-Italic -ālis.

fluvioglaciale (Italian): fluvioglacial

Definitions

Step	Language	Word	Meaning
1	Italian	glaciale	glacial; icy, freezing, cold, Arctic
2	Latin	glaciālis	—
3	Latin	-ālis	—
4	Proto-Italic	-ālis	—

fluvioglaciale — Etymology, Origin & Word History | Etymology Explorer