I think you mean the word "allodapoi", in greek letters "αλλοδαποί" which means the non-greek people.
Campbell's soup label does not have a Greek god. There is sometimes a little school boy (for the label's for education), if you have a link for this image please provide it.
Anything you like. You could use letters from the Roman or Greek alphabets, numbers, of even give it a human name for a label.
The Greco-Roman came about as a result of embracing the Greeks and the Romans as their masters and therefore adapting some of their cultures and practices. After a long period of coexistence, the regions that were under the governments of Greek and Roman empires embraced their practices and culture, forming a hybrid of Greek-Roman culture.
barbarians (those who spoke gibberish = bar-bar) βαρβαροι
If the line is horizontal, it is the greek letter theta, often used to label an angle. If the line is diagonal, it is used to denote the diagonal of a circle. As the greek letter phi it is used to denote an empty set and also used to label an angle.
Regardless of its origin, you can find the wool content on the label.
Baton Rouge in LA does have Greek food restaurants. They are located within the area and specialise in professional Greek food and cuisine. Some also specialise in other world foods and even cafes which carry the same label.
Astronomers label stars within constellations using Greek letters, such as Alpha, Beta, Gamma, etc., in order of their brightness within the constellation. For example, the brightest star in Orion is labeled Alpha Orionis, or Betelgeuse.
You label clothing with a label maker. You design a label, have them made and sew them into the clothing you design.
Which label belongs in the area marked Z?
Select an item to label. Determine the category or label that best describes the item. Attach the label to the item using a label maker or adhesive label.
The word for "label" in French is "étiquette."