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ἀνταλλάσσειν

Ὁ δ' ἀνεξέταστος βίος οὐ βιωτὸς ἀνθρώπῳ -> The unexamined life is not worth living
Plato, Apology of Socrates 38a

Greek > English (Woodhouse Verbs Reversed)

ἀνταλλάσσειν = (see also: ἀνταλλάσσω) change, exchange one thing for another

⇢ Look up "ἀνταλλάσσειν" on Google | Wiktionary | LSJ full text search (Translation based on the reversal of Woodhouse's English to Ancient Greek dictionary)