There is no umpire in tennis.
the term let in tennis is short for let it go
Back in the 18th Century in England when the sport was invented, they would say "Let's replay the point" and that eventually got shortened to "let".
a let?
let
To say tennis in Japanese.........テニス
let came to tennis to represent ''letting'' the players redo the point
It's from the French word roulet , another chance. So let in tennis is to give another chance
You say "a lit tennis court." ex. Tennis courts are lit at night.
a let
I say i am a ball on fire in table tennis :d
Let is from the word filet, a French word for the net. In tennis, it is a type of serve that is not valid and has to be done again.