Efthogender refers to a person who's gender fluctuates frequently and can be effected by almost any slight change in their environment. Efthogender people can have a "main" gender such as male, female, non-binary, demigender, etc. which their other genders revolve around. It can be combined with other relevant genders such as: eftho boy, eftho girl, eftho non-binary, etc. showing that they mainly fluctuate between genders similar to that.
Etymology
The word efthogender divides into 2 words "Eftho" from εύθραυστο which translates to fragile or fragility and gender, in a literal sense it means fragile gender, but its not to be confused with fragile masculinity/femininity, because it refers to fluctuation in their current gender