pederastice

The story

1. Ancient Greek · derived fromπαιδερᾰστίᾱ
2. Latin · derived frompaederastia
3. English todaypederastice

Probably either the post-Classical Latin paederastia or its etymon, the Ancient Greek παιδερᾰστίᾱ (paiderăstíā), suffixed with the English -ice (suffix forming abstract nouns). Compare pederasty.