κηρυκική
From LSJ
ὁ κόσμος ἀλλοίωσις, ὁ βίος ὑπόληψις → the universe is flux, life is opinion | the universe is transformation: life is opinion | the universe is change, life is a fleeting impression | the universe—mutation: life—opinion
Russian (Dvoretsky)
κηρῡκική: ἡ (sc. τέχνη) должность или искусство глашатая lat.