A cafeteria is a place where people choose their food from a counter or display and then carry it to their own table, often in schools or workplaces. You usually pay at the end of the line.
From American Spanish 'cafetería' meaning 'coffee shop,' from 'cafetero' (coffee-related), from 'café.' In the United States, the word shifted to mean a self-service dining room rather than just a coffee-serving place. The style fit industrial-age needs for fast, organized mass feeding.
The cafeteria line is basically a food assembly line for people: move along, pick items, pay, sit. The self-service model was a big step away from the old restaurant style where servers brought everything. It shows how language and architecture adapt to the needs of crowded schools, factories, and offices.
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