When the word 'girl' first appeared in the language, in the early 1300s, it was used to mean 'child', regardless of the gender of the child in question.
That didn't begin to change untill the early 15th century, when the word 'boy' - possibly borrowed from the French embuie, meaning a male servant began to be used more generally for any young man. As a result, 'girl' was forced to change to mean a female child.
The ancient Egyptians made their distinctive jet-black eyeshadow out of the mineral stibnite.which was crushed and heated to produce a fine dust that could then be mixed with animal far to make a cosmetic.
The name of this was al-kohl, from an Arabic word meaning 'stain' or 'paint'. Alchemists and scientists of the European middle ages then picked up this term from their Arabic-origin textbooks, and began applying it to all kinds of other substances that could be produced in a similar way - which included wine and spirits, ultimately
In the late 1300s, a cupboard was just a board on which to place your cups. Or put another way, a cupboard was originally a table.
No one is entirely sure why, but in the early 16th century, that meaning suddenly disappeared from the language - a cupboard was no longer a tabletop on which to use one's crockery, but a piece of furniture in which to store it.
The original treadmill was an enormous man-powered mill used for tasks such as crushing rocks and grinding grain. It was a wheel of steps encircling a cylinder attached to a millstone, on which prisoners could be employed for many hours a day; famously, the writer Oscar Wilde was made to work on the treadmill during his imprisonment in Pentonville Prison in 1895.
Prison reform made the treadmill a thing of the past, but the termwas resurrected in the 1950s, and was applied to a piece of gym equipment, a running machine comprised of a seemingly endless belt.
