αὐτὸς καθ' αὑτόν

From LSJ

Τὴν ἀρχὴν ὅ, τι καὶ λαλω̃ ὑμι̃ν (John 8:25) → Just what I have been saying to you from the very beginning

Source

English

per se, himself

Greek > English (Woodhouse)

per se, singly, by oneself