Where does “oshi” come from?

oshi (Chickasaw) comes from Japanese おし, from Japanese 塩, from Middle Chinese 鹽.

oshi (Chickasaw): little

Definitions

Step	Language	Word	Meaning
1	Japanese	おし	—
2	Japanese	塩	salt; saltiness; hardship, toil, trouble
3	Middle Chinese	鹽	—

oshi — Etymology, Origin & Word History | Etymology Explorer