γυναικόμασθος
From LSJ
μέγα βιβλίον ἴσον τῷ μεγάλῳ κακῷ → a big book is the same as a big bad | a big book is the same as a big pain | a big book is a big evil | big book, big bad
English (LSJ)
or γῠναικό-μαστος, ον,
A having breasts like a woman: -μασθον, τό, abnormal development of the mamma, Gal.19.444, cf. Paul.Aeg.6.46.