Where does “渥太華” come from?

渥太華 (Chinese) comes from English Ottawa, from Ojibwe odaawaa — traders.

Ancestry of “渥太華”, step by step

Step	Language	Word	Meaning
1	English	Ottawa	A member of the Ottawa people
2	Ojibwe	odaawaa	traders

渥太華 — Etymology, Origin & Word History | Etymology Explorer