Jenny

Origin

From Jen + -y, historically as a hypochoristic form of Janet, Jane, etc. but now more often used as a diminutive of Jennifer. Rarely also a nickname of Genevieve (compare Genny, pronounced the same), Eugenia or Virginia (compare Ginny). Doublet of Ivanka, Jan, Janelle, Janet, Janey, Janine, Jeanette, Jeanie, Jeannette, Jeannine, Jen, Jenna, Jessie, Jo, Jody, Juanita, Shanae, Sinead, and Vanna in derivations from Jane etc. In senses related to inanimate objects, partially derived from the generic senses of Jane and partially an informal pronunciation of engine.