ἐπαυτοφώρῳepautophṓrōi

properly with ref.

Greek (New Testament) · G1888

Meanings

to theft, then generally, in the very act: as frequently, neuter dative after ἐπί, John 8:4 (Rec., ἐπαυτοφώρῳ).

Same root

ἐπίepí · G1909properly, meaning superimposition (of time, place, order, etc.), as a relation of distribution (with the genitive case), i.e. over, upon, etc.; of rest (with the dative case) at, on, etc.; of direction (with the accusative case) towards, upon, etc.
αὐτόςautós · G846the reflexive pronoun self, used (alone or in the comparative G1438 (ἑαυτοῦ)) of the third person , and (with the proper personal pronoun) of the other persons

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.