ἐπίκλησις (epiklēsis)

1. a surname or additional name; the accusative being used absolute as adverb, by surname , Ἀστυάναξ, ὃν Τρῶες ἐπίκλησιν καλέουσι Astyanax, as they call him by surname (his name being Scamandrius), (Iliad by Homer), etc.
2. generally, a name , (Thucydides)
3. an imputation , (Thucydides)
4. a calling upon, invocation, appeal , (Plutarch) (ML)