Hamburgers used to be made from ground meats that were left over at the end of the day (usually including ham)

Pineapples have long spikes on them the same color and texture (though not length) as pine needles, and are as common as apples in the places they are grown.

Boxing ring refers to the fact that, before the square with ropes was invented, spectators would gather around in the shape of a ring and watch the match.

Guinea-pigs were sold for one “Guinea” (old English coin).

People believed that the animals originated from Guinea in Africa because ships usually sailed from South-America via Guinea to Europe.

The name “guinea” (pigs) sounded similar to Guyana in South-America from where many animals had been transported.

Guinea pig that it was first brought to Britain in Guineamen, vessels that did the triangular voyage to Guinea and the New World as part of the slave trade, but similar problems about dating crop up here. Either way, it seems to have ended up being called a pig because it does squeal a bit like one

The word comes from the seaport city – Hamburg in Germany. During the time of American settlement, a lot of European immigrants moved to the New World. At that time the port of Hamburg meant the last piece of European soil immigrants felt under their feet before their voyage to the unknown

The word pineapple comes from the Spanish “pina,” meaning pine cone. Pineapples are still known to Latin Americans as pina.