It depends on which knight you are talking about. A "knight" is a medieval gentleman-soldier, usually high-born, raised by a sovereign to privileged military status after training as a page and squire. "Night" is the period between sunset and sunrise, especially the hours of darkness. I hope this answers your question.
This isn't even a real answer, you seem to have ignored the first word in the question "WHY"
Margaret K. Knight died in 1983.
Margaret K. Knight was born in 1903.
YES
The 'K' being silent in knight and not to be confused with the 'K' for king the letter 'N' is generally accepted so as not to confuse the Knight and King in chess notation .
Knight
The letter N stands for the knight . ("K" is reserved for the King.)
Alecia Knight's birth name is Alecia K Munson.
knee, knight, Knife.
K, G, and H
Some examples of 'kn' words with a silent 'k' are: knife, knight, knit, and knuckle.
You can dress as a knight. It begins with the letter k.
A mounted soldier is called a knight. It begins with the letter k.