ὀλίγοι τινὲς ὧν ἐντετύχηκα → a very few whom I've met
ex-hinc: adv.,I hereupon, after this, then (post-class. and very rare, for exinde, exin), App. M. 11, p. 269, 19.
exhinc, depuis ce temps : Apul. M. 11, 24.
ex-hinc, hierauf, Apul. met. 11, 24.