Origin: Germanic Old English prefix
Below has 7 different meanings across 3 categories:
Adverb · Prep · Proper Noun
in or to a place that is lower
"The child ran below the fence to chase the ball."
In a lower place.
"The cat sat below the table on the rug."
Lower in spatial position than.
"The picture hangs below the window on the wall."
A surname.
"Mr. Below was surprised to see his name listed at the top of the guest list."
The word "below" comes from the combination of the prefix be- and low in Middle English. It originally described a position lower than something else before entering modern usage with its current meaning.