suigenderism

\\ˌsüˌīˈjendəˌrizəm, ˌsüēˈj-\ noun (-s)

Etymology: Latin suus one's own + English -i- + gender + -ism — more at suicide

: the state or the period of development (as in childhood or early adolescence) in which one becomes chiefly interested in or attracted toward persons of the same sex — contrasted with altrigenderism