"I know."
Xero means dry
Ξέρω [xero]
You obviously mean khs-'ehr-oh -> ksero [xero] = ξέρω = I know
The Greek word for know is ksero, also spelled xero.
The root word 'xero' means 'dry.'
Xerox doesn't mean anything in Greek or any other language. The process that is the basis of the modern photocopier is called "xerography." This is a modern term made from two Greek words that meand "dry writing." "Xero" means dry and "graphos" means writing.
Xerographics is a word coined by the Xerox company to describe its dry photocopying process. Literally xero is Greek for dry and graphics is from the Greek for writing
Ground Xero was created in 2007.
Xero - software - was created in 2006.
The population of Xero - software - is 2,009.
Xero Error was created in 2010.
The population of Xero - software - is 73.