regender1
/ˌriːˈdʒɛndə/Now rare
verb
[with object] To recreate; to make again. In early use specifically: to cause tissue or skin to regrow. Compare re-engender.
Origin
Late Middle English; earliest use found in Lanfranc's Science of Cirurgie. From re- + gender, after classical Latin regenerāre. Compare Old French regendrer to grow again.
regender2
/(ˌ)riːˈdʒɛndə/verb
[with object] To assign a new gender to (a person, role, etc.); to change or redefine the roles ascribed to each gender in (a particular context).
Origin
1950s; earliest use found in Kenneth Tynan (1927–1980), theatre critic. From re- + gender.