Non-trinary
Non-trinary (or non-quarternary, or non-ternary) is an umbrella term for genders that aren't masculine, feminine, or neutrois in any way. Agenders and xenogenders could be considered non-trinary.
History
Non-trinary was coined on March 16th, 2018.[4] The original flag, and the 2nd flag, were both made by Tumblr user Beyond MOGAI Pride Flags[1][2]. The first was made on June 11th, 2018[1], while the second was made on August 16th, 2018[2]. The alt. flag was coined on February 1st, 2024 by Tumblr user ryanyflags.[3]