Fervian is a xenogender from the element system. It is a masculine gender element represented by the element of fire, which is considered masculine in alchemy.
One whose gender element is purely masculine would be fervian. The term can be combined with other gender terms, such as demifervian, or ferviboy.
History
The term fervian and the flag were made on the Tumblr blog Genderelementarchive on December 23rd, 2017[1].
Flag
The flag's colors are yellow, orange, and purple, representing fire and masculinity. In the center, it has a triangle with a dot in the middle - the alchemical symbol for fire.
Etymology
Fervian comes from a Latin root meaning "warm" or "inflamed"[2].