Merchandise, wares.
Stuff.
A word meaning to "bring in goods" starting with "im-" is import.
That is 'luggage'.
Manufacturing goods in quantity for export sale
Railroad.
ad valorem
Export.
The word "export" is the noun and verb meaning goods sent in trade to other countries. The word "import" refers to goods received (purchased) from other countries.
The American word for rubber is eraser.
The American word for tap is faucet.
The American word for pavement is sidewalk.
There is an old French word from the 13th century, probably borrowed from Latin 'mercatare' from 'mercari' meaning to trade and 'merx' meaning goods
The word comes from the Middle English word "upholder". Which in turn meant a tradesman stood behond his goods.