Trikaros

Trikaros is a sexual orientation for third sex people who are sexually fluid. The flux version is "trifextos."

History
The term was invented by thirdsexmanifesto on Tumblr June 8th, 2022.

Flag
The flag was invented by thirdsexmanifesto on Tumblr April 16th, 2022. White represents free will; green self-knowledge; yellow the ability to create or destroy; red sexuality; black the unification of these aspects into a viewpoint that gives joy to others.

Etymology
The word is Proto-Celtic for "third-one-who-desires." "Fextos" is Proto-Celtic for "one-who-halves," referring to lunar cycles.