Mx.
[ miks, muhks ]
/ mɪks, mʌks /
a title of respect prefixed to a person's surname: unlike Mr., Mrs., or Ms., it does not indicate gender and may be used by a person with any or no specific gender identity.
Origin of Mx.
1975–80;
M (as in
Mr./Mrs./Ms.) +
x (symbol for an unknown quantity, person, or thing)