Conversation so far:
when was the first costco opened in canada
Costco opens its first Canadian warehouse in Burnaby, British Columbia in 1985.
when was the first costco opening ever
Costco opened its first warehouse in 1983 in Seattle on September 15, by James Sinegal and Jeffrey H. Brotman.

Question: what is the origin
Self-contained rewrite: what is the origin of costco