ὀφρύκνηστον

ὀφρύκνηστον· ἐρυθριῶντα, οἱ γὰρ ἐρυθριῶντες κνῶνται τὰς ὀφρῦς, Hsch. (Cf. Lat. homo fronte perfricta, one who has rubbed his brow so often that he can blush no more.)