Thank you. Cis is a made up word and therefor I will refuse to acknowledge it.
The prefix cis- is Latin and means "on this side of".
It's been used by activists since 1994 to serve as the opposite of trans, means "across or beyond".
I'd say it's made up for political purposes but others might say it's Latin, so "it's real". I don't accept it. And I don't say "gay" either. I say "homosexual" to describe the unhappy people suffering from a mental illness and perversion.