ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
exto extare, extiti, - V :: stand out or forth, project be visible, exist, be on record
exto: are, v. exsto.
extō, v. exsto.
exto, s. exsto.