The term 'Nymphet'(And the lesser used term Faunet
) was popularized by Vladamir Nobovic through his controversial novel 'Lolita
' published in 1955. It is commonly used to describe a 'Sexualised adoleacent girl', normally early on in puberty.
The term derives from the greek word 'Nymph' meaning beautiful woman. Basically a nympet is a lusty, gorgeous, young girl.
Nymphet can be applied to girls aging from nine to fourteen which is the age 'Lolita's main character Humbert Humbert lusted after.