Malchus = "king or kingdom"

https://www.blueletterbible.org/lexicon/g3124/kjv/tr/0-1/

From the noun מלך (melek), king.

https://www.abarim-publications.com/Meaning/Malchus.html

10 Then Simon Peter having a sword drew it, and smote the high priest's servant, and cut off his right ear. The servant's name was Malchus.

John 18:10

https://biblehub.com/john/18-10.htm

And one of them smote the servant of the high priest, and cut off his right ear.

Luke 22:50

https://biblehub.com/luke/22-50.htm

https://imgflip.com/i/8wzfn4

Someone told me Malchus means lawyer but I have not found that