Where does “siwash” come from?
siwash (Chinook Jargon) comes from French sauvage, from Old French sauvage, from Vulgar Latin salvaticus, from Latin silvāticus, from Latin -aticus, from Latin -ātus, from Proto-Italic -ātos, from Proto-Indo-European -éh₂tos.
siwash (Chinook Jargon): man; native, local, wild
Ancestry of “siwash”, step by step