χαίρεσκον

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

Source

French (Bailly abrégé)

impf. itér. de χαίρω.

Russian (Dvoretsky)

χαίρεσκον: эп. impf. iter. к χαίρω.