Where does “ris” come from?

ris (Cornish) comes from Middle English rys, from Old French ris, from Italian riso, from Latin rīsus, from Ancient Greek ὄρυζα, from Proto-Iranian *wrinǰiš.

ris (Cornish): rice

Definitions

rice

Ancestry of “ris”, step by step

Step	Language	Word	Meaning
1	Middle English	rys	rice
2	Old French	ris	reef
3	Italian	riso	laughter, laugh; rice; past participle of ridere
4	Latin	rīsus	laughed at, ridiculed, mocked, having been ridiculed
5	Ancient Greek	ὄρυζα	rice
6	Proto-Iranian	*wrinǰiš	—

Every word from Proto-Iranian *wrinǰiš →Every word from Ancient Greek ὄρυζα →Every word from Latin rīsus →